Home / 10,359.42-15,617.22-9,691.26

Finding the Fourth Proportional to 10,359.42, 15,617.22 and 9,691.26

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Solution

The fourth proportional to 10,359.42, 15,617.22 and 9,691.26 is: 14,609.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.42 : 15,617.22 = 9,691.26 : x
  2. Step 2: Convert to fraction form
    10,359.42/15,617.22 = 9,691.26/x
  3. Step 3: Cross multiply
    10,359.42x = 15,617.22 × 9,691.26
  4. Step 4: Simplify right side
    10,359.42x = 151,350,539.50
  5. Step 5: Solve for x
    x = 151,350,539.50/10,359.42
  6. Step 6: Final answer
    x = 14,609.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.