Home / 23,115.46-31,891.41-13,042.66

Finding the Fourth Proportional to 23,115.46, 31,891.41 and 13,042.66

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Solution

The fourth proportional to 23,115.46, 31,891.41 and 13,042.66 is: 17,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,115.46 : 31,891.41 = 13,042.66 : x
  2. Step 2: Convert to fraction form
    23,115.46/31,891.41 = 13,042.66/x
  3. Step 3: Cross multiply
    23,115.46x = 31,891.41 × 13,042.66
  4. Step 4: Simplify right side
    23,115.46x = 415,948,817.55
  5. Step 5: Solve for x
    x = 415,948,817.55/23,115.46
  6. Step 6: Final answer
    x = 17,994.40

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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.