Home / 18,842.06-28,263.09-7,155.28

Finding the Fourth Proportional to 18,842.06, 28,263.09 and 7,155.28

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Solution

The fourth proportional to 18,842.06, 28,263.09 and 7,155.28 is: 10,732.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842.06 : 28,263.09 = 7,155.28 : x
  2. Step 2: Convert to fraction form
    18,842.06/28,263.09 = 7,155.28/x
  3. Step 3: Cross multiply
    18,842.06x = 28,263.09 × 7,155.28
  4. Step 4: Simplify right side
    18,842.06x = 202,230,322.62
  5. Step 5: Solve for x
    x = 202,230,322.62/18,842.06
  6. Step 6: Final answer
    x = 10,732.92

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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.