Home / 13,424.63-20,134.20-5,101.73

Finding the Fourth Proportional to 13,424.63, 20,134.20 and 5,101.73

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Solution

The fourth proportional to 13,424.63, 20,134.20 and 5,101.73 is: 7,651.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,424.63 : 20,134.20 = 5,101.73 : x
  2. Step 2: Convert to fraction form
    13,424.63/20,134.20 = 5,101.73/x
  3. Step 3: Cross multiply
    13,424.63x = 20,134.20 × 5,101.73
  4. Step 4: Simplify right side
    13,424.63x = 102,719,252.17
  5. Step 5: Solve for x
    x = 102,719,252.17/13,424.63
  6. Step 6: Final answer
    x = 7,651.55

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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.