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Finding the Fourth Proportional to 17,482.80, 24,123.36 and 11,516.88

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Solution

The fourth proportional to 17,482.80, 24,123.36 and 11,516.88 is: 15,891.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,482.80 : 24,123.36 = 11,516.88 : x
  2. Step 2: Convert to fraction form
    17,482.80/24,123.36 = 11,516.88/x
  3. Step 3: Cross multiply
    17,482.80x = 24,123.36 × 11,516.88
  4. Step 4: Simplify right side
    17,482.80x = 277,825,842.32
  5. Step 5: Solve for x
    x = 277,825,842.32/17,482.80
  6. Step 6: Final answer
    x = 15,891.38

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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.