Home / 12,565.68-18,846.72-3,331.68

Finding the Fourth Proportional to 12,565.68, 18,846.72 and 3,331.68

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Solution

The fourth proportional to 12,565.68, 18,846.72 and 3,331.68 is: 4,997.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,565.68 : 18,846.72 = 3,331.68 : x
  2. Step 2: Convert to fraction form
    12,565.68/18,846.72 = 3,331.68/x
  3. Step 3: Cross multiply
    12,565.68x = 18,846.72 × 3,331.68
  4. Step 4: Simplify right side
    12,565.68x = 62,791,240.09
  5. Step 5: Solve for x
    x = 62,791,240.09/12,565.68
  6. Step 6: Final answer
    x = 4,997.04

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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.