Home / 9,311.11-13,966.82-2,291.14

Finding the Fourth Proportional to 9,311.11, 13,966.82 and 2,291.14

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Solution

The fourth proportional to 9,311.11, 13,966.82 and 2,291.14 is: 3,436.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,311.11 : 13,966.82 = 2,291.14 : x
  2. Step 2: Convert to fraction form
    9,311.11/13,966.82 = 2,291.14/x
  3. Step 3: Cross multiply
    9,311.11x = 13,966.82 × 2,291.14
  4. Step 4: Simplify right side
    9,311.11x = 31,999,928.52
  5. Step 5: Solve for x
    x = 31,999,928.52/9,311.11
  6. Step 6: Final answer
    x = 3,436.75

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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.