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Finding the Fourth Proportional to 12,537.80, 17,301.62 and 7,499.03

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Solution

The fourth proportional to 12,537.80, 17,301.62 and 7,499.03 is: 10,348.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.80 : 17,301.62 = 7,499.03 : x
  2. Step 2: Convert to fraction form
    12,537.80/17,301.62 = 7,499.03/x
  3. Step 3: Cross multiply
    12,537.80x = 17,301.62 × 7,499.03
  4. Step 4: Simplify right side
    12,537.80x = 129,745,429.43
  5. Step 5: Solve for x
    x = 129,745,429.43/12,537.80
  6. Step 6: Final answer
    x = 10,348.35

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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.