Home / 8,747.64-13,067.52-7,868.76

Finding the Fourth Proportional to 8,747.64, 13,067.52 and 7,868.76

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Solution

The fourth proportional to 8,747.64, 13,067.52 and 7,868.76 is: 11,754.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.64 : 13,067.52 = 7,868.76 : x
  2. Step 2: Convert to fraction form
    8,747.64/13,067.52 = 7,868.76/x
  3. Step 3: Cross multiply
    8,747.64x = 13,067.52 × 7,868.76
  4. Step 4: Simplify right side
    8,747.64x = 102,825,178.68
  5. Step 5: Solve for x
    x = 102,825,178.68/8,747.64
  6. Step 6: Final answer
    x = 11,754.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.