Home / 12,247.68-18,372.72-4,456.32

Finding the Fourth Proportional to 12,247.68, 18,372.72 and 4,456.32

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Solution

The fourth proportional to 12,247.68, 18,372.72 and 4,456.32 is: 6,684.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.68 : 18,372.72 = 4,456.32 : x
  2. Step 2: Convert to fraction form
    12,247.68/18,372.72 = 4,456.32/x
  3. Step 3: Cross multiply
    12,247.68x = 18,372.72 × 4,456.32
  4. Step 4: Simplify right side
    12,247.68x = 81,874,719.59
  5. Step 5: Solve for x
    x = 81,874,719.59/12,247.68
  6. Step 6: Final answer
    x = 6,684.92

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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.