Home / 15,109.20-22,663.80-9,269.10

Finding the Fourth Proportional to 15,109.20, 22,663.80 and 9,269.10

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Solution

The fourth proportional to 15,109.20, 22,663.80 and 9,269.10 is: 13,903.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,109.20 : 22,663.80 = 9,269.10 : x
  2. Step 2: Convert to fraction form
    15,109.20/22,663.80 = 9,269.10/x
  3. Step 3: Cross multiply
    15,109.20x = 22,663.80 × 9,269.10
  4. Step 4: Simplify right side
    15,109.20x = 210,073,028.58
  5. Step 5: Solve for x
    x = 210,073,028.58/15,109.20
  6. Step 6: Final answer
    x = 13,903.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.