Home / 9,691.40-13,373.01-5,441.54

Finding the Fourth Proportional to 9,691.40, 13,373.01 and 5,441.54

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Solution

The fourth proportional to 9,691.40, 13,373.01 and 5,441.54 is: 7,508.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,691.40 : 13,373.01 = 5,441.54 : x
  2. Step 2: Convert to fraction form
    9,691.40/13,373.01 = 5,441.54/x
  3. Step 3: Cross multiply
    9,691.40x = 13,373.01 × 5,441.54
  4. Step 4: Simplify right side
    9,691.40x = 72,769,701.97
  5. Step 5: Solve for x
    x = 72,769,701.97/9,691.40
  6. Step 6: Final answer
    x = 7,508.69

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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.