Home / 18,287.44-25,233.58-11,116.12

Finding the Fourth Proportional to 18,287.44, 25,233.58 and 11,116.12

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Solution

The fourth proportional to 18,287.44, 25,233.58 and 11,116.12 is: 15,338.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,287.44 : 25,233.58 = 11,116.12 : x
  2. Step 2: Convert to fraction form
    18,287.44/25,233.58 = 11,116.12/x
  3. Step 3: Cross multiply
    18,287.44x = 25,233.58 × 11,116.12
  4. Step 4: Simplify right side
    18,287.44x = 280,499,503.31
  5. Step 5: Solve for x
    x = 280,499,503.31/18,287.44
  6. Step 6: Final answer
    x = 15,338.37

Related Problems

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Half scale
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Double scale
Find fourth proportional to 18,288.44, 25,234.96 and 11,117.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.