Home / 20,176.20-30,264.30-6,136.20

Finding the Fourth Proportional to 20,176.20, 30,264.30 and 6,136.20

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Solution

The fourth proportional to 20,176.20, 30,264.30 and 6,136.20 is: 9,204.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.20 : 30,264.30 = 6,136.20 : x
  2. Step 2: Convert to fraction form
    20,176.20/30,264.30 = 6,136.20/x
  3. Step 3: Cross multiply
    20,176.20x = 30,264.30 × 6,136.20
  4. Step 4: Simplify right side
    20,176.20x = 185,707,797.66
  5. Step 5: Solve for x
    x = 185,707,797.66/20,176.20
  6. Step 6: Final answer
    x = 9,204.30

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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.