Home / 12,427.38-18,641.98-3,542.54

Finding the Fourth Proportional to 12,427.38, 18,641.98 and 3,542.54

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Solution

The fourth proportional to 12,427.38, 18,641.98 and 3,542.54 is: 5,314.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427.38 : 18,641.98 = 3,542.54 : x
  2. Step 2: Convert to fraction form
    12,427.38/18,641.98 = 3,542.54/x
  3. Step 3: Cross multiply
    12,427.38x = 18,641.98 × 3,542.54
  4. Step 4: Simplify right side
    12,427.38x = 66,039,959.83
  5. Step 5: Solve for x
    x = 66,039,959.83/12,427.38
  6. Step 6: Final answer
    x = 5,314.07

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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.