Home / 20,230.04-30,343.56-7,751.20

Finding the Fourth Proportional to 20,230.04, 30,343.56 and 7,751.20

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Solution

The fourth proportional to 20,230.04, 30,343.56 and 7,751.20 is: 11,626.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230.04 : 30,343.56 = 7,751.20 : x
  2. Step 2: Convert to fraction form
    20,230.04/30,343.56 = 7,751.20/x
  3. Step 3: Cross multiply
    20,230.04x = 30,343.56 × 7,751.20
  4. Step 4: Simplify right side
    20,230.04x = 235,199,002.27
  5. Step 5: Solve for x
    x = 235,199,002.27/20,230.04
  6. Step 6: Final answer
    x = 11,626.23

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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.