Home / 11,631.17-17,440.14-7,937.87

Finding the Fourth Proportional to 11,631.17, 17,440.14 and 7,937.87

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Solution

The fourth proportional to 11,631.17, 17,440.14 and 7,937.87 is: 11,902.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.17 : 17,440.14 = 7,937.87 : x
  2. Step 2: Convert to fraction form
    11,631.17/17,440.14 = 7,937.87/x
  3. Step 3: Cross multiply
    11,631.17x = 17,440.14 × 7,937.87
  4. Step 4: Simplify right side
    11,631.17x = 138,437,637.47
  5. Step 5: Solve for x
    x = 138,437,637.47/11,631.17
  6. Step 6: Final answer
    x = 11,902.30

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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.