Home / 17,931.92-26,897.84-5,451.89

Finding the Fourth Proportional to 17,931.92, 26,897.84 and 5,451.89

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Solution

The fourth proportional to 17,931.92, 26,897.84 and 5,451.89 is: 8,177.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,931.92 : 26,897.84 = 5,451.89 : x
  2. Step 2: Convert to fraction form
    17,931.92/26,897.84 = 5,451.89/x
  3. Step 3: Cross multiply
    17,931.92x = 26,897.84 × 5,451.89
  4. Step 4: Simplify right side
    17,931.92x = 146,644,037.66
  5. Step 5: Solve for x
    x = 146,644,037.66/17,931.92
  6. Step 6: Final answer
    x = 8,177.82

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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.