Home / 19,244.54-28,869.84-8,151.30

Finding the Fourth Proportional to 19,244.54, 28,869.84 and 8,151.30

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Solution

The fourth proportional to 19,244.54, 28,869.84 and 8,151.30 is: 12,228.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,244.54 : 28,869.84 = 8,151.30 : x
  2. Step 2: Convert to fraction form
    19,244.54/28,869.84 = 8,151.30/x
  3. Step 3: Cross multiply
    19,244.54x = 28,869.84 × 8,151.30
  4. Step 4: Simplify right side
    19,244.54x = 235,326,726.79
  5. Step 5: Solve for x
    x = 235,326,726.79/19,244.54
  6. Step 6: Final answer
    x = 12,228.23

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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.