Home / 11,612.74-17,419.76-3,715.95

Finding the Fourth Proportional to 11,612.74, 17,419.76 and 3,715.95

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Solution

The fourth proportional to 11,612.74, 17,419.76 and 3,715.95 is: 5,574.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.74 : 17,419.76 = 3,715.95 : x
  2. Step 2: Convert to fraction form
    11,612.74/17,419.76 = 3,715.95/x
  3. Step 3: Cross multiply
    11,612.74x = 17,419.76 × 3,715.95
  4. Step 4: Simplify right side
    11,612.74x = 64,730,957.17
  5. Step 5: Solve for x
    x = 64,730,957.17/11,612.74
  6. Step 6: Final answer
    x = 5,574.13

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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.