Home / 20,234.04-30,343.38-6,189.80

Finding the Fourth Proportional to 20,234.04, 30,343.38 and 6,189.80

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Solution

The fourth proportional to 20,234.04, 30,343.38 and 6,189.80 is: 9,282.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,234.04 : 30,343.38 = 6,189.80 : x
  2. Step 2: Convert to fraction form
    20,234.04/30,343.38 = 6,189.80/x
  3. Step 3: Cross multiply
    20,234.04x = 30,343.38 × 6,189.80
  4. Step 4: Simplify right side
    20,234.04x = 187,819,453.52
  5. Step 5: Solve for x
    x = 187,819,453.52/20,234.04
  6. Step 6: Final answer
    x = 9,282.35

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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.