Home / 10,988.70-16,471.43-3,591.17

Finding the Fourth Proportional to 10,988.70, 16,471.43 and 3,591.17

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Solution

The fourth proportional to 10,988.70, 16,471.43 and 3,591.17 is: 5,382.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.70 : 16,471.43 = 3,591.17 : x
  2. Step 2: Convert to fraction form
    10,988.70/16,471.43 = 3,591.17/x
  3. Step 3: Cross multiply
    10,988.70x = 16,471.43 × 3,591.17
  4. Step 4: Simplify right side
    10,988.70x = 59,151,705.27
  5. Step 5: Solve for x
    x = 59,151,705.27/10,988.70
  6. Step 6: Final answer
    x = 5,382.96

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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.