Home / 22,149.93-30,565.78-12,078.29

Finding the Fourth Proportional to 22,149.93, 30,565.78 and 12,078.29

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Solution

The fourth proportional to 22,149.93, 30,565.78 and 12,078.29 is: 16,667.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,149.93 : 30,565.78 = 12,078.29 : x
  2. Step 2: Convert to fraction form
    22,149.93/30,565.78 = 12,078.29/x
  3. Step 3: Cross multiply
    22,149.93x = 30,565.78 × 12,078.29
  4. Step 4: Simplify right side
    22,149.93x = 369,182,354.92
  5. Step 5: Solve for x
    x = 369,182,354.92/22,149.93
  6. Step 6: Final answer
    x = 16,667.43

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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.