Home / 13,753.68-20,633.30-4,393.42

Finding the Fourth Proportional to 13,753.68, 20,633.30 and 4,393.42

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Solution

The fourth proportional to 13,753.68, 20,633.30 and 4,393.42 is: 6,591.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753.68 : 20,633.30 = 4,393.42 : x
  2. Step 2: Convert to fraction form
    13,753.68/20,633.30 = 4,393.42/x
  3. Step 3: Cross multiply
    13,753.68x = 20,633.30 × 4,393.42
  4. Step 4: Simplify right side
    13,753.68x = 90,650,752.89
  5. Step 5: Solve for x
    x = 90,650,752.89/13,753.68
  6. Step 6: Final answer
    x = 6,591.02

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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.