Home / 13,451.52-20,164.98-5,660.88

Finding the Fourth Proportional to 13,451.52, 20,164.98 and 5,660.88

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Solution

The fourth proportional to 13,451.52, 20,164.98 and 5,660.88 is: 8,486.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451.52 : 20,164.98 = 5,660.88 : x
  2. Step 2: Convert to fraction form
    13,451.52/20,164.98 = 5,660.88/x
  3. Step 3: Cross multiply
    13,451.52x = 20,164.98 × 5,660.88
  4. Step 4: Simplify right side
    13,451.52x = 114,151,531.98
  5. Step 5: Solve for x
    x = 114,151,531.98/13,451.52
  6. Step 6: Final answer
    x = 8,486.14

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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.