Home / 18,866.58-28,282.27-6,377.91

Finding the Fourth Proportional to 18,866.58, 28,282.27 and 6,377.91

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Solution

The fourth proportional to 18,866.58, 28,282.27 and 6,377.91 is: 9,560.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,866.58 : 28,282.27 = 6,377.91 : x
  2. Step 2: Convert to fraction form
    18,866.58/28,282.27 = 6,377.91/x
  3. Step 3: Cross multiply
    18,866.58x = 28,282.27 × 6,377.91
  4. Step 4: Simplify right side
    18,866.58x = 180,381,772.66
  5. Step 5: Solve for x
    x = 180,381,772.66/18,866.58
  6. Step 6: Final answer
    x = 9,560.92

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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.