Home / 12,565.14-18,847.71-3,331.14

Finding the Fourth Proportional to 12,565.14, 18,847.71 and 3,331.14

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Solution

The fourth proportional to 12,565.14, 18,847.71 and 3,331.14 is: 4,996.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,565.14 : 18,847.71 = 3,331.14 : x
  2. Step 2: Convert to fraction form
    12,565.14/18,847.71 = 3,331.14/x
  3. Step 3: Cross multiply
    12,565.14x = 18,847.71 × 3,331.14
  4. Step 4: Simplify right side
    12,565.14x = 62,784,360.69
  5. Step 5: Solve for x
    x = 62,784,360.69/12,565.14
  6. Step 6: Final answer
    x = 4,996.71

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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.