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Finding the Fourth Proportional to 12,482, 17,227.08 and 7,516.88

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Solution

The fourth proportional to 12,482, 17,227.08 and 7,516.88 is: 10,374.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482 : 17,227.08 = 7,516.88 : x
  2. Step 2: Convert to fraction form
    12,482/17,227.08 = 7,516.88/x
  3. Step 3: Cross multiply
    12,482x = 17,227.08 × 7,516.88
  4. Step 4: Simplify right side
    12,482x = 129,493,893.11
  5. Step 5: Solve for x
    x = 129,493,893.11/12,482
  6. Step 6: Final answer
    x = 10,374.45

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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.