Home / 9,867.20-13,587.36-7,067.84

Finding the Fourth Proportional to 9,867.20, 13,587.36 and 7,067.84

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Solution

The fourth proportional to 9,867.20, 13,587.36 and 7,067.84 is: 9,732.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,867.20 : 13,587.36 = 7,067.84 : x
  2. Step 2: Convert to fraction form
    9,867.20/13,587.36 = 7,067.84/x
  3. Step 3: Cross multiply
    9,867.20x = 13,587.36 × 7,067.84
  4. Step 4: Simplify right side
    9,867.20x = 96,033,286.50
  5. Step 5: Solve for x
    x = 96,033,286.50/9,867.20
  6. Step 6: Final answer
    x = 9,732.58

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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.