Home / 15,553.59-21,463.29-8,480.04

Finding the Fourth Proportional to 15,553.59, 21,463.29 and 8,480.04

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Solution

The fourth proportional to 15,553.59, 21,463.29 and 8,480.04 is: 11,702.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553.59 : 21,463.29 = 8,480.04 : x
  2. Step 2: Convert to fraction form
    15,553.59/21,463.29 = 8,480.04/x
  3. Step 3: Cross multiply
    15,553.59x = 21,463.29 × 8,480.04
  4. Step 4: Simplify right side
    15,553.59x = 182,009,557.73
  5. Step 5: Solve for x
    x = 182,009,557.73/15,553.59
  6. Step 6: Final answer
    x = 11,702.09

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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.