Home / 9,940.10-14,910.15-4,387.55

Finding the Fourth Proportional to 9,940.10, 14,910.15 and 4,387.55

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Solution

The fourth proportional to 9,940.10, 14,910.15 and 4,387.55 is: 6,581.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940.10 : 14,910.15 = 4,387.55 : x
  2. Step 2: Convert to fraction form
    9,940.10/14,910.15 = 4,387.55/x
  3. Step 3: Cross multiply
    9,940.10x = 14,910.15 × 4,387.55
  4. Step 4: Simplify right side
    9,940.10x = 65,419,028.63
  5. Step 5: Solve for x
    x = 65,419,028.63/9,940.10
  6. Step 6: Final answer
    x = 6,581.33

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Similar ratio
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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.