Home / 10,323.18-15,451.92-7,387.14

Finding the Fourth Proportional to 10,323.18, 15,451.92 and 7,387.14

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Solution

The fourth proportional to 10,323.18, 15,451.92 and 7,387.14 is: 11,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,323.18 : 15,451.92 = 7,387.14 : x
  2. Step 2: Convert to fraction form
    10,323.18/15,451.92 = 7,387.14/x
  3. Step 3: Cross multiply
    10,323.18x = 15,451.92 × 7,387.14
  4. Step 4: Simplify right side
    10,323.18x = 114,145,496.31
  5. Step 5: Solve for x
    x = 114,145,496.31/10,323.18
  6. Step 6: Final answer
    x = 11,057.20

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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.