Home / 12,323.76-18,488.19-4,003.95

Finding the Fourth Proportional to 12,323.76, 18,488.19 and 4,003.95

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Solution

The fourth proportional to 12,323.76, 18,488.19 and 4,003.95 is: 6,006.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,323.76 : 18,488.19 = 4,003.95 : x
  2. Step 2: Convert to fraction form
    12,323.76/18,488.19 = 4,003.95/x
  3. Step 3: Cross multiply
    12,323.76x = 18,488.19 × 4,003.95
  4. Step 4: Simplify right side
    12,323.76x = 74,025,788.35
  5. Step 5: Solve for x
    x = 74,025,788.35/12,323.76
  6. Step 6: Final answer
    x = 6,006.75

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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.