Home / 14,340.88-21,511.24-5,581.92

Finding the Fourth Proportional to 14,340.88, 21,511.24 and 5,581.92

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Solution

The fourth proportional to 14,340.88, 21,511.24 and 5,581.92 is: 8,372.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,340.88 : 21,511.24 = 5,581.92 : x
  2. Step 2: Convert to fraction form
    14,340.88/21,511.24 = 5,581.92/x
  3. Step 3: Cross multiply
    14,340.88x = 21,511.24 × 5,581.92
  4. Step 4: Simplify right side
    14,340.88x = 120,074,020.78
  5. Step 5: Solve for x
    x = 120,074,020.78/14,340.88
  6. Step 6: Final answer
    x = 8,372.85

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1.5x scale

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.