Home / 11,869.95-17,815.49-6,327.87

Finding the Fourth Proportional to 11,869.95, 17,815.49 and 6,327.87

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Solution

The fourth proportional to 11,869.95, 17,815.49 and 6,327.87 is: 9,497.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.95 : 17,815.49 = 6,327.87 : x
  2. Step 2: Convert to fraction form
    11,869.95/17,815.49 = 6,327.87/x
  3. Step 3: Cross multiply
    11,869.95x = 17,815.49 × 6,327.87
  4. Step 4: Simplify right side
    11,869.95x = 112,734,104.71
  5. Step 5: Solve for x
    x = 112,734,104.71/11,869.95
  6. Step 6: Final answer
    x = 9,497.44

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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.