Home / 17,915.12-24,721.01-11,201.49

Finding the Fourth Proportional to 17,915.12, 24,721.01 and 11,201.49

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Solution

The fourth proportional to 17,915.12, 24,721.01 and 11,201.49 is: 15,456.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,915.12 : 24,721.01 = 11,201.49 : x
  2. Step 2: Convert to fraction form
    17,915.12/24,721.01 = 11,201.49/x
  3. Step 3: Cross multiply
    17,915.12x = 24,721.01 × 11,201.49
  4. Step 4: Simplify right side
    17,915.12x = 276,912,146.30
  5. Step 5: Solve for x
    x = 276,912,146.30/17,915.12
  6. Step 6: Final answer
    x = 15,456.90

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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.