Home / 17,868.57-26,781.22-9,962.69

Finding the Fourth Proportional to 17,868.57, 26,781.22 and 9,962.69

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Solution

The fourth proportional to 17,868.57, 26,781.22 and 9,962.69 is: 14,931.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,868.57 : 26,781.22 = 9,962.69 : x
  2. Step 2: Convert to fraction form
    17,868.57/26,781.22 = 9,962.69/x
  3. Step 3: Cross multiply
    17,868.57x = 26,781.22 × 9,962.69
  4. Step 4: Simplify right side
    17,868.57x = 266,812,942.87
  5. Step 5: Solve for x
    x = 266,812,942.87/17,868.57
  6. Step 6: Final answer
    x = 14,931.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.