Home / 20,176.25-30,264.68-6,136.92

Finding the Fourth Proportional to 20,176.25, 30,264.68 and 6,136.92

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Solution

The fourth proportional to 20,176.25, 30,264.68 and 6,136.92 is: 9,205.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.25 : 30,264.68 = 6,136.92 : x
  2. Step 2: Convert to fraction form
    20,176.25/30,264.68 = 6,136.92/x
  3. Step 3: Cross multiply
    20,176.25x = 30,264.68 × 6,136.92
  4. Step 4: Simplify right side
    20,176.25x = 185,731,935.33
  5. Step 5: Solve for x
    x = 185,731,935.33/20,176.25
  6. Step 6: Final answer
    x = 9,205.48

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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.