Home / 17,515.52-24,171.40-11,227.88

Finding the Fourth Proportional to 17,515.52, 24,171.40 and 11,227.88

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Solution

The fourth proportional to 17,515.52, 24,171.40 and 11,227.88 is: 15,494.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,515.52 : 24,171.40 = 11,227.88 : x
  2. Step 2: Convert to fraction form
    17,515.52/24,171.40 = 11,227.88/x
  3. Step 3: Cross multiply
    17,515.52x = 24,171.40 × 11,227.88
  4. Step 4: Simplify right side
    17,515.52x = 271,393,578.63
  5. Step 5: Solve for x
    x = 271,393,578.63/17,515.52
  6. Step 6: Final answer
    x = 15,494.46

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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.