Home / 17,539.29-24,215.10-11,169.45

Finding the Fourth Proportional to 17,539.29, 24,215.10 and 11,169.45

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Solution

The fourth proportional to 17,539.29, 24,215.10 and 11,169.45 is: 15,420.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,539.29 : 24,215.10 = 11,169.45 : x
  2. Step 2: Convert to fraction form
    17,539.29/24,215.10 = 11,169.45/x
  3. Step 3: Cross multiply
    17,539.29x = 24,215.10 × 11,169.45
  4. Step 4: Simplify right side
    17,539.29x = 270,469,348.70
  5. Step 5: Solve for x
    x = 270,469,348.70/17,539.29
  6. Step 6: Final answer
    x = 15,420.77

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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.