Home / 20,252.11-30,378.09-5,462.53

Finding the Fourth Proportional to 20,252.11, 30,378.09 and 5,462.53

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Solution

The fourth proportional to 20,252.11, 30,378.09 and 5,462.53 is: 8,193.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252.11 : 30,378.09 = 5,462.53 : x
  2. Step 2: Convert to fraction form
    20,252.11/30,378.09 = 5,462.53/x
  3. Step 3: Cross multiply
    20,252.11x = 30,378.09 × 5,462.53
  4. Step 4: Simplify right side
    20,252.11x = 165,941,227.97
  5. Step 5: Solve for x
    x = 165,941,227.97/20,252.11
  6. Step 6: Final answer
    x = 8,193.77

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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.