Home / 9,067.83-12,504.42-8,538.70

Finding the Fourth Proportional to 9,067.83, 12,504.42 and 8,538.70

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Solution

The fourth proportional to 9,067.83, 12,504.42 and 8,538.70 is: 11,774.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,067.83 : 12,504.42 = 8,538.70 : x
  2. Step 2: Convert to fraction form
    9,067.83/12,504.42 = 8,538.70/x
  3. Step 3: Cross multiply
    9,067.83x = 12,504.42 × 8,538.70
  4. Step 4: Simplify right side
    9,067.83x = 106,771,491.05
  5. Step 5: Solve for x
    x = 106,771,491.05/9,067.83
  6. Step 6: Final answer
    x = 11,774.76

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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.