Home / 13,400.38-20,103.42-4,041.10

Finding the Fourth Proportional to 13,400.38, 20,103.42 and 4,041.10

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Solution

The fourth proportional to 13,400.38, 20,103.42 and 4,041.10 is: 6,062.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400.38 : 20,103.42 = 4,041.10 : x
  2. Step 2: Convert to fraction form
    13,400.38/20,103.42 = 4,041.10/x
  3. Step 3: Cross multiply
    13,400.38x = 20,103.42 × 4,041.10
  4. Step 4: Simplify right side
    13,400.38x = 81,239,930.56
  5. Step 5: Solve for x
    x = 81,239,930.56/13,400.38
  6. Step 6: Final answer
    x = 6,062.51

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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.