Home / 12,522.49-17,276.31-8,217.97

Finding the Fourth Proportional to 12,522.49, 17,276.31 and 8,217.97

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Solution

The fourth proportional to 12,522.49, 17,276.31 and 8,217.97 is: 11,337.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,522.49 : 17,276.31 = 8,217.97 : x
  2. Step 2: Convert to fraction form
    12,522.49/17,276.31 = 8,217.97/x
  3. Step 3: Cross multiply
    12,522.49x = 17,276.31 × 8,217.97
  4. Step 4: Simplify right side
    12,522.49x = 141,976,201.51
  5. Step 5: Solve for x
    x = 141,976,201.51/12,522.49
  6. Step 6: Final answer
    x = 11,337.70

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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.