Home / 9,928.27-13,701.25-5,391.14

Finding the Fourth Proportional to 9,928.27, 13,701.25 and 5,391.14

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Solution

The fourth proportional to 9,928.27, 13,701.25 and 5,391.14 is: 7,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928.27 : 13,701.25 = 5,391.14 : x
  2. Step 2: Convert to fraction form
    9,928.27/13,701.25 = 5,391.14/x
  3. Step 3: Cross multiply
    9,928.27x = 13,701.25 × 5,391.14
  4. Step 4: Simplify right side
    9,928.27x = 73,865,295.16
  5. Step 5: Solve for x
    x = 73,865,295.16/9,928.27
  6. Step 6: Final answer
    x = 7,439.90

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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.