Home / 14,141.76-21,213.20-3,753.60

Finding the Fourth Proportional to 14,141.76, 21,213.20 and 3,753.60

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Solution

The fourth proportional to 14,141.76, 21,213.20 and 3,753.60 is: 5,630.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.76 : 21,213.20 = 3,753.60 : x
  2. Step 2: Convert to fraction form
    14,141.76/21,213.20 = 3,753.60/x
  3. Step 3: Cross multiply
    14,141.76x = 21,213.20 × 3,753.60
  4. Step 4: Simplify right side
    14,141.76x = 79,625,867.52
  5. Step 5: Solve for x
    x = 79,625,867.52/14,141.76
  6. Step 6: Final answer
    x = 5,630.55

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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.