Home / 10,711.48-16,073.29-4,138.13

Finding the Fourth Proportional to 10,711.48, 16,073.29 and 4,138.13

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Solution

The fourth proportional to 10,711.48, 16,073.29 and 4,138.13 is: 6,209.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,711.48 : 16,073.29 = 4,138.13 : x
  2. Step 2: Convert to fraction form
    10,711.48/16,073.29 = 4,138.13/x
  3. Step 3: Cross multiply
    10,711.48x = 16,073.29 × 4,138.13
  4. Step 4: Simplify right side
    10,711.48x = 66,513,283.18
  5. Step 5: Solve for x
    x = 66,513,283.18/10,711.48
  6. Step 6: Final answer
    x = 6,209.54

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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.