Home / 10,331.26-15,496.92-9,805.38

Finding the Fourth Proportional to 10,331.26, 15,496.92 and 9,805.38

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Solution

The fourth proportional to 10,331.26, 15,496.92 and 9,805.38 is: 14,708.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.26 : 15,496.92 = 9,805.38 : x
  2. Step 2: Convert to fraction form
    10,331.26/15,496.92 = 9,805.38/x
  3. Step 3: Cross multiply
    10,331.26x = 15,496.92 × 9,805.38
  4. Step 4: Simplify right side
    10,331.26x = 151,953,189.43
  5. Step 5: Solve for x
    x = 151,953,189.43/10,331.26
  6. Step 6: Final answer
    x = 14,708.10

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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.