Home / 11,591.71-17,387.36-10,688.76

Finding the Fourth Proportional to 11,591.71, 17,387.36 and 10,688.76

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Solution

The fourth proportional to 11,591.71, 17,387.36 and 10,688.76 is: 16,032.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591.71 : 17,387.36 = 10,688.76 : x
  2. Step 2: Convert to fraction form
    11,591.71/17,387.36 = 10,688.76/x
  3. Step 3: Cross multiply
    11,591.71x = 17,387.36 × 10,688.76
  4. Step 4: Simplify right side
    11,591.71x = 185,849,304.71
  5. Step 5: Solve for x
    x = 185,849,304.71/11,591.71
  6. Step 6: Final answer
    x = 16,032.95

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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.