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Finding the Fourth Proportional to 17,291.08, 23,862.90 and 9,839.08

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Solution

The fourth proportional to 17,291.08, 23,862.90 and 9,839.08 is: 13,578.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,291.08 : 23,862.90 = 9,839.08 : x
  2. Step 2: Convert to fraction form
    17,291.08/23,862.90 = 9,839.08/x
  3. Step 3: Cross multiply
    17,291.08x = 23,862.90 × 9,839.08
  4. Step 4: Simplify right side
    17,291.08x = 234,788,982.13
  5. Step 5: Solve for x
    x = 234,788,982.13/17,291.08
  6. Step 6: Final answer
    x = 13,578.62

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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.