Home / 14,084.28-21,115.49-5,766.39

Finding the Fourth Proportional to 14,084.28, 21,115.49 and 5,766.39

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Solution

The fourth proportional to 14,084.28, 21,115.49 and 5,766.39 is: 8,645.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,084.28 : 21,115.49 = 5,766.39 : x
  2. Step 2: Convert to fraction form
    14,084.28/21,115.49 = 5,766.39/x
  3. Step 3: Cross multiply
    14,084.28x = 21,115.49 × 5,766.39
  4. Step 4: Simplify right side
    14,084.28x = 121,760,121.55
  5. Step 5: Solve for x
    x = 121,760,121.55/14,084.28
  6. Step 6: Final answer
    x = 8,645.11

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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.