Home / 13,392.96-20,089.92-5,591.04

Finding the Fourth Proportional to 13,392.96, 20,089.92 and 5,591.04

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Solution

The fourth proportional to 13,392.96, 20,089.92 and 5,591.04 is: 8,386.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392.96 : 20,089.92 = 5,591.04 : x
  2. Step 2: Convert to fraction form
    13,392.96/20,089.92 = 5,591.04/x
  3. Step 3: Cross multiply
    13,392.96x = 20,089.92 × 5,591.04
  4. Step 4: Simplify right side
    13,392.96x = 112,323,546.32
  5. Step 5: Solve for x
    x = 112,323,546.32/13,392.96
  6. Step 6: Final answer
    x = 8,386.76

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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.