Home / 17,869.80-24,658.57-9,911.87

Finding the Fourth Proportional to 17,869.80, 24,658.57 and 9,911.87

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Solution

The fourth proportional to 17,869.80, 24,658.57 and 9,911.87 is: 13,677.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,869.80 : 24,658.57 = 9,911.87 : x
  2. Step 2: Convert to fraction form
    17,869.80/24,658.57 = 9,911.87/x
  3. Step 3: Cross multiply
    17,869.80x = 24,658.57 × 9,911.87
  4. Step 4: Simplify right side
    17,869.80x = 244,412,392.15
  5. Step 5: Solve for x
    x = 244,412,392.15/17,869.80
  6. Step 6: Final answer
    x = 13,677.40

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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.