Home / 9,489.20-14,231.34-2,824.13

Finding the Fourth Proportional to 9,489.20, 14,231.34 and 2,824.13

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Solution

The fourth proportional to 9,489.20, 14,231.34 and 2,824.13 is: 4,235.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489.20 : 14,231.34 = 2,824.13 : x
  2. Step 2: Convert to fraction form
    9,489.20/14,231.34 = 2,824.13/x
  3. Step 3: Cross multiply
    9,489.20x = 14,231.34 × 2,824.13
  4. Step 4: Simplify right side
    9,489.20x = 40,191,154.23
  5. Step 5: Solve for x
    x = 40,191,154.23/9,489.20
  6. Step 6: Final answer
    x = 4,235.46

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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.