Home / 13,645.96-20,350.24-12,134.04

Finding the Fourth Proportional to 13,645.96, 20,350.24 and 12,134.04

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Solution

The fourth proportional to 13,645.96, 20,350.24 and 12,134.04 is: 18,095.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,645.96 : 20,350.24 = 12,134.04 : x
  2. Step 2: Convert to fraction form
    13,645.96/20,350.24 = 12,134.04/x
  3. Step 3: Cross multiply
    13,645.96x = 20,350.24 × 12,134.04
  4. Step 4: Simplify right side
    13,645.96x = 246,930,626.17
  5. Step 5: Solve for x
    x = 246,930,626.17/13,645.96
  6. Step 6: Final answer
    x = 18,095.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.