Home / 14,410.18-21,691.66-10,278.78

Finding the Fourth Proportional to 14,410.18, 21,691.66 and 10,278.78

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Solution

The fourth proportional to 14,410.18, 21,691.66 and 10,278.78 is: 15,472.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,410.18 : 21,691.66 = 10,278.78 : x
  2. Step 2: Convert to fraction form
    14,410.18/21,691.66 = 10,278.78/x
  3. Step 3: Cross multiply
    14,410.18x = 21,691.66 × 10,278.78
  4. Step 4: Simplify right side
    14,410.18x = 222,963,800.97
  5. Step 5: Solve for x
    x = 222,963,800.97/14,410.18
  6. Step 6: Final answer
    x = 15,472.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.