Home / 22,746.78-34,127.91-13,879.86

Finding the Fourth Proportional to 22,746.78, 34,127.91 and 13,879.86

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Solution

The fourth proportional to 22,746.78, 34,127.91 and 13,879.86 is: 20,824.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,746.78 : 34,127.91 = 13,879.86 : x
  2. Step 2: Convert to fraction form
    22,746.78/34,127.91 = 13,879.86/x
  3. Step 3: Cross multiply
    22,746.78x = 34,127.91 × 13,879.86
  4. Step 4: Simplify right side
    22,746.78x = 473,690,612.89
  5. Step 5: Solve for x
    x = 473,690,612.89/22,746.78
  6. Step 6: Final answer
    x = 20,824.51

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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.