Home / 20,231.30-30,350.04-6,188.06

Finding the Fourth Proportional to 20,231.30, 30,350.04 and 6,188.06

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Solution

The fourth proportional to 20,231.30, 30,350.04 and 6,188.06 is: 9,283.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,231.30 : 30,350.04 = 6,188.06 : x
  2. Step 2: Convert to fraction form
    20,231.30/30,350.04 = 6,188.06/x
  3. Step 3: Cross multiply
    20,231.30x = 30,350.04 × 6,188.06
  4. Step 4: Simplify right side
    20,231.30x = 187,807,868.52
  5. Step 5: Solve for x
    x = 187,807,868.52/20,231.30
  6. Step 6: Final answer
    x = 9,283.04

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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.