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Finding the Fourth Proportional to 17,680.98, 24,399.11 and 9,723.13

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Solution

The fourth proportional to 17,680.98, 24,399.11 and 9,723.13 is: 13,417.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,680.98 : 24,399.11 = 9,723.13 : x
  2. Step 2: Convert to fraction form
    17,680.98/24,399.11 = 9,723.13/x
  3. Step 3: Cross multiply
    17,680.98x = 24,399.11 × 9,723.13
  4. Step 4: Simplify right side
    17,680.98x = 237,235,718.41
  5. Step 5: Solve for x
    x = 237,235,718.41/17,680.98
  6. Step 6: Final answer
    x = 13,417.57

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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.