Home / 12,502.75-17,246.30-8,253.90

Finding the Fourth Proportional to 12,502.75, 17,246.30 and 8,253.90

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Solution

The fourth proportional to 12,502.75, 17,246.30 and 8,253.90 is: 11,385.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502.75 : 17,246.30 = 8,253.90 : x
  2. Step 2: Convert to fraction form
    12,502.75/17,246.30 = 8,253.90/x
  3. Step 3: Cross multiply
    12,502.75x = 17,246.30 × 8,253.90
  4. Step 4: Simplify right side
    12,502.75x = 142,349,149.34
  5. Step 5: Solve for x
    x = 142,349,149.34/12,502.75
  6. Step 6: Final answer
    x = 11,385.43

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Half scale
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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.