Home / 20,349.87-30,525.96-6,311.90

Finding the Fourth Proportional to 20,349.87, 30,525.96 and 6,311.90

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Solution

The fourth proportional to 20,349.87, 30,525.96 and 6,311.90 is: 9,468.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,349.87 : 30,525.96 = 6,311.90 : x
  2. Step 2: Convert to fraction form
    20,349.87/30,525.96 = 6,311.90/x
  3. Step 3: Cross multiply
    20,349.87x = 30,525.96 × 6,311.90
  4. Step 4: Simplify right side
    20,349.87x = 192,676,654.29
  5. Step 5: Solve for x
    x = 192,676,654.29/20,349.87
  6. Step 6: Final answer
    x = 9,468.20

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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.