Home / 20,231.04-30,359.52-9,837.12

Finding the Fourth Proportional to 20,231.04, 30,359.52 and 9,837.12

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Solution

The fourth proportional to 20,231.04, 30,359.52 and 9,837.12 is: 14,761.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,231.04 : 30,359.52 = 9,837.12 : x
  2. Step 2: Convert to fraction form
    20,231.04/30,359.52 = 9,837.12/x
  3. Step 3: Cross multiply
    20,231.04x = 30,359.52 × 9,837.12
  4. Step 4: Simplify right side
    20,231.04x = 298,650,241.38
  5. Step 5: Solve for x
    x = 298,650,241.38/20,231.04
  6. Step 6: Final answer
    x = 14,761.98

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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.