Home / 11,717.20-16,165.11-7,233.17

Finding the Fourth Proportional to 11,717.20, 16,165.11 and 7,233.17

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Solution

The fourth proportional to 11,717.20, 16,165.11 and 7,233.17 is: 9,978.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.20 : 16,165.11 = 7,233.17 : x
  2. Step 2: Convert to fraction form
    11,717.20/16,165.11 = 7,233.17/x
  3. Step 3: Cross multiply
    11,717.20x = 16,165.11 × 7,233.17
  4. Step 4: Simplify right side
    11,717.20x = 116,924,935.00
  5. Step 5: Solve for x
    x = 116,924,935.00/11,717.20
  6. Step 6: Final answer
    x = 9,978.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.