Home / 20,112.03-30,171.42-7,462.53

Finding the Fourth Proportional to 20,112.03, 30,171.42 and 7,462.53

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Solution

The fourth proportional to 20,112.03, 30,171.42 and 7,462.53 is: 11,195.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,112.03 : 30,171.42 = 7,462.53 : x
  2. Step 2: Convert to fraction form
    20,112.03/30,171.42 = 7,462.53/x
  3. Step 3: Cross multiply
    20,112.03x = 30,171.42 × 7,462.53
  4. Step 4: Simplify right side
    20,112.03x = 225,155,126.89
  5. Step 5: Solve for x
    x = 225,155,126.89/20,112.03
  6. Step 6: Final answer
    x = 11,195.05

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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.