Home / 20,230.06-30,337.38-6,185.80

Finding the Fourth Proportional to 20,230.06, 30,337.38 and 6,185.80

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Solution

The fourth proportional to 20,230.06, 30,337.38 and 6,185.80 is: 9,276.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230.06 : 30,337.38 = 6,185.80 : x
  2. Step 2: Convert to fraction form
    20,230.06/30,337.38 = 6,185.80/x
  3. Step 3: Cross multiply
    20,230.06x = 30,337.38 × 6,185.80
  4. Step 4: Simplify right side
    20,230.06x = 187,660,965.20
  5. Step 5: Solve for x
    x = 187,660,965.20/20,230.06
  6. Step 6: Final answer
    x = 9,276.34

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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.