Home / 18,823.13-28,227.50-6,339.80

Finding the Fourth Proportional to 18,823.13, 28,227.50 and 6,339.80

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Solution

The fourth proportional to 18,823.13, 28,227.50 and 6,339.80 is: 9,507.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.13 : 28,227.50 = 6,339.80 : x
  2. Step 2: Convert to fraction form
    18,823.13/28,227.50 = 6,339.80/x
  3. Step 3: Cross multiply
    18,823.13x = 28,227.50 × 6,339.80
  4. Step 4: Simplify right side
    18,823.13x = 178,956,531.66
  5. Step 5: Solve for x
    x = 178,956,531.66/18,823.13
  6. Step 6: Final answer
    x = 9,507.27

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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.