Home / 13,422.52-20,136.93-4,062.61

Finding the Fourth Proportional to 13,422.52, 20,136.93 and 4,062.61

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Solution

The fourth proportional to 13,422.52, 20,136.93 and 4,062.61 is: 6,094.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,422.52 : 20,136.93 = 4,062.61 : x
  2. Step 2: Convert to fraction form
    13,422.52/20,136.93 = 4,062.61/x
  3. Step 3: Cross multiply
    13,422.52x = 20,136.93 × 4,062.61
  4. Step 4: Simplify right side
    13,422.52x = 81,808,493.19
  5. Step 5: Solve for x
    x = 81,808,493.19/13,422.52
  6. Step 6: Final answer
    x = 6,094.87

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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.