Home / 9,311.23-12,848.92-5,331.43

Finding the Fourth Proportional to 9,311.23, 12,848.92 and 5,331.43

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Solution

The fourth proportional to 9,311.23, 12,848.92 and 5,331.43 is: 7,357.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,311.23 : 12,848.92 = 5,331.43 : x
  2. Step 2: Convert to fraction form
    9,311.23/12,848.92 = 5,331.43/x
  3. Step 3: Cross multiply
    9,311.23x = 12,848.92 × 5,331.43
  4. Step 4: Simplify right side
    9,311.23x = 68,503,117.56
  5. Step 5: Solve for x
    x = 68,503,117.56/9,311.23
  6. Step 6: Final answer
    x = 7,357.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.