Home / 17,862.93-26,778.54-6,761.88

Finding the Fourth Proportional to 17,862.93, 26,778.54 and 6,761.88

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Solution

The fourth proportional to 17,862.93, 26,778.54 and 6,761.88 is: 10,136.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,862.93 : 26,778.54 = 6,761.88 : x
  2. Step 2: Convert to fraction form
    17,862.93/26,778.54 = 6,761.88/x
  3. Step 3: Cross multiply
    17,862.93x = 26,778.54 × 6,761.88
  4. Step 4: Simplify right side
    17,862.93x = 181,073,274.06
  5. Step 5: Solve for x
    x = 181,073,274.06/17,862.93
  6. Step 6: Final answer
    x = 10,136.82

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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.