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Finding the Fourth Proportional to 17,868.23, 24,658.98 and 9,909.98

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Solution

The fourth proportional to 17,868.23, 24,658.98 and 9,909.98 is: 13,676.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,868.23 : 24,658.98 = 9,909.98 : x
  2. Step 2: Convert to fraction form
    17,868.23/24,658.98 = 9,909.98/x
  3. Step 3: Cross multiply
    17,868.23x = 24,658.98 × 9,909.98
  4. Step 4: Simplify right side
    17,868.23x = 244,369,998.62
  5. Step 5: Solve for x
    x = 244,369,998.62/17,868.23
  6. Step 6: Final answer
    x = 13,676.23

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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.