Home / 22,737.16-31,377.34-13,178.89

Finding the Fourth Proportional to 22,737.16, 31,377.34 and 13,178.89

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Solution

The fourth proportional to 22,737.16, 31,377.34 and 13,178.89 is: 18,186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,737.16 : 31,377.34 = 13,178.89 : x
  2. Step 2: Convert to fraction form
    22,737.16/31,377.34 = 13,178.89/x
  3. Step 3: Cross multiply
    22,737.16x = 31,377.34 × 13,178.89
  4. Step 4: Simplify right side
    22,737.16x = 413,518,512.35
  5. Step 5: Solve for x
    x = 413,518,512.35/22,737.16
  6. Step 6: Final answer
    x = 18,186.90

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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.