Home / 20,842.41-31,265.00-7,331.96

Finding the Fourth Proportional to 20,842.41, 31,265.00 and 7,331.96

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Solution

The fourth proportional to 20,842.41, 31,265.00 and 7,331.96 is: 10,998.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,842.41 : 31,265.00 = 7,331.96 : x
  2. Step 2: Convert to fraction form
    20,842.41/31,265.00 = 7,331.96/x
  3. Step 3: Cross multiply
    20,842.41x = 31,265.00 × 7,331.96
  4. Step 4: Simplify right side
    20,842.41x = 229,233,591.40
  5. Step 5: Solve for x
    x = 229,233,591.40/20,842.41
  6. Step 6: Final answer
    x = 10,998.42

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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.