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Finding the Fourth Proportional to 17,726.68, 24,462.98 and 9,769.19

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Solution

The fourth proportional to 17,726.68, 24,462.98 and 9,769.19 is: 13,481.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,726.68 : 24,462.98 = 9,769.19 : x
  2. Step 2: Convert to fraction form
    17,726.68/24,462.98 = 9,769.19/x
  3. Step 3: Cross multiply
    17,726.68x = 24,462.98 × 9,769.19
  4. Step 4: Simplify right side
    17,726.68x = 238,983,585.17
  5. Step 5: Solve for x
    x = 238,983,585.17/17,726.68
  6. Step 6: Final answer
    x = 13,481.58

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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.