Home / 17,520-24,177.60-11,240.88

Finding the Fourth Proportional to 17,520, 24,177.60 and 11,240.88

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Solution

The fourth proportional to 17,520, 24,177.60 and 11,240.88 is: 15,512.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,520 : 24,177.60 = 11,240.88 : x
  2. Step 2: Convert to fraction form
    17,520/24,177.60 = 11,240.88/x
  3. Step 3: Cross multiply
    17,520x = 24,177.60 × 11,240.88
  4. Step 4: Simplify right side
    17,520x = 271,777,500.29
  5. Step 5: Solve for x
    x = 271,777,500.29/17,520
  6. Step 6: Final answer
    x = 15,512.41

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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.