Home / 12,541.68-18,818.70-8,867.52

Finding the Fourth Proportional to 12,541.68, 18,818.70 and 8,867.52

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Solution

The fourth proportional to 12,541.68, 18,818.70 and 8,867.52 is: 13,305.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,541.68 : 18,818.70 = 8,867.52 : x
  2. Step 2: Convert to fraction form
    12,541.68/18,818.70 = 8,867.52/x
  3. Step 3: Cross multiply
    12,541.68x = 18,818.70 × 8,867.52
  4. Step 4: Simplify right side
    12,541.68x = 166,875,198.62
  5. Step 5: Solve for x
    x = 166,875,198.62/12,541.68
  6. Step 6: Final answer
    x = 13,305.65

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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.