Home / 14,972.97-20,663.21-8,258.80

Finding the Fourth Proportional to 14,972.97, 20,663.21 and 8,258.80

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Solution

The fourth proportional to 14,972.97, 20,663.21 and 8,258.80 is: 11,397.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,972.97 : 20,663.21 = 8,258.80 : x
  2. Step 2: Convert to fraction form
    14,972.97/20,663.21 = 8,258.80/x
  3. Step 3: Cross multiply
    14,972.97x = 20,663.21 × 8,258.80
  4. Step 4: Simplify right side
    14,972.97x = 170,653,318.75
  5. Step 5: Solve for x
    x = 170,653,318.75/14,972.97
  6. Step 6: Final answer
    x = 11,397.43

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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.