Home / 12,502.08-18,753.12-4,180.56

Finding the Fourth Proportional to 12,502.08, 18,753.12 and 4,180.56

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Solution

The fourth proportional to 12,502.08, 18,753.12 and 4,180.56 is: 6,270.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502.08 : 18,753.12 = 4,180.56 : x
  2. Step 2: Convert to fraction form
    12,502.08/18,753.12 = 4,180.56/x
  3. Step 3: Cross multiply
    12,502.08x = 18,753.12 × 4,180.56
  4. Step 4: Simplify right side
    12,502.08x = 78,398,543.35
  5. Step 5: Solve for x
    x = 78,398,543.35/12,502.08
  6. Step 6: Final answer
    x = 6,270.84

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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.