Home / 10,359.10-15,538.65-9,557.20

Finding the Fourth Proportional to 10,359.10, 15,538.65 and 9,557.20

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Solution

The fourth proportional to 10,359.10, 15,538.65 and 9,557.20 is: 14,335.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.10 : 15,538.65 = 9,557.20 : x
  2. Step 2: Convert to fraction form
    10,359.10/15,538.65 = 9,557.20/x
  3. Step 3: Cross multiply
    10,359.10x = 15,538.65 × 9,557.20
  4. Step 4: Simplify right side
    10,359.10x = 148,505,985.78
  5. Step 5: Solve for x
    x = 148,505,985.78/10,359.10
  6. Step 6: Final answer
    x = 14,335.80

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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.