Home / 12,326.24-18,487.17-4,005.05

Finding the Fourth Proportional to 12,326.24, 18,487.17 and 4,005.05

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Solution

The fourth proportional to 12,326.24, 18,487.17 and 4,005.05 is: 6,006.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326.24 : 18,487.17 = 4,005.05 : x
  2. Step 2: Convert to fraction form
    12,326.24/18,487.17 = 4,005.05/x
  3. Step 3: Cross multiply
    12,326.24x = 18,487.17 × 4,005.05
  4. Step 4: Simplify right side
    12,326.24x = 74,041,947.77
  5. Step 5: Solve for x
    x = 74,041,947.77/12,326.24
  6. Step 6: Final answer
    x = 6,006.85

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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.