Home / 9,928.53-13,701.41-5,391.23

Finding the Fourth Proportional to 9,928.53, 13,701.41 and 5,391.23

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Solution

The fourth proportional to 9,928.53, 13,701.41 and 5,391.23 is: 7,439.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928.53 : 13,701.41 = 5,391.23 : x
  2. Step 2: Convert to fraction form
    9,928.53/13,701.41 = 5,391.23/x
  3. Step 3: Cross multiply
    9,928.53x = 13,701.41 × 5,391.23
  4. Step 4: Simplify right side
    9,928.53x = 73,867,377.39
  5. Step 5: Solve for x
    x = 73,867,377.39/9,928.53
  6. Step 6: Final answer
    x = 7,439.91

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1.5x scale

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.