Home / 21,972.60-30,324.05-12,414.24

Finding the Fourth Proportional to 21,972.60, 30,324.05 and 12,414.24

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Solution

The fourth proportional to 21,972.60, 30,324.05 and 12,414.24 is: 17,132.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,972.60 : 30,324.05 = 12,414.24 : x
  2. Step 2: Convert to fraction form
    21,972.60/30,324.05 = 12,414.24/x
  3. Step 3: Cross multiply
    21,972.60x = 30,324.05 × 12,414.24
  4. Step 4: Simplify right side
    21,972.60x = 376,450,034.47
  5. Step 5: Solve for x
    x = 376,450,034.47/21,972.60
  6. Step 6: Final answer
    x = 17,132.70

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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.