Home / 12,559.52-18,843.39-5,167.46

Finding the Fourth Proportional to 12,559.52, 18,843.39 and 5,167.46

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Solution

The fourth proportional to 12,559.52, 18,843.39 and 5,167.46 is: 7,752.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559.52 : 18,843.39 = 5,167.46 : x
  2. Step 2: Convert to fraction form
    12,559.52/18,843.39 = 5,167.46/x
  3. Step 3: Cross multiply
    12,559.52x = 18,843.39 × 5,167.46
  4. Step 4: Simplify right side
    12,559.52x = 97,372,464.09
  5. Step 5: Solve for x
    x = 97,372,464.09/12,559.52
  6. Step 6: Final answer
    x = 7,752.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.