Home / 10,338.75-14,269.91-6,149.43

Finding the Fourth Proportional to 10,338.75, 14,269.91 and 6,149.43

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Solution

The fourth proportional to 10,338.75, 14,269.91 and 6,149.43 is: 8,487.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,338.75 : 14,269.91 = 6,149.43 : x
  2. Step 2: Convert to fraction form
    10,338.75/14,269.91 = 6,149.43/x
  3. Step 3: Cross multiply
    10,338.75x = 14,269.91 × 6,149.43
  4. Step 4: Simplify right side
    10,338.75x = 87,751,781.90
  5. Step 5: Solve for x
    x = 87,751,781.90/10,338.75
  6. Step 6: Final answer
    x = 8,487.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.