Home / 21,610.08-32,414.16-12,382.56

Finding the Fourth Proportional to 21,610.08, 32,414.16 and 12,382.56

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Solution

The fourth proportional to 21,610.08, 32,414.16 and 12,382.56 is: 18,573.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,610.08 : 32,414.16 = 12,382.56 : x
  2. Step 2: Convert to fraction form
    21,610.08/32,414.16 = 12,382.56/x
  3. Step 3: Cross multiply
    21,610.08x = 32,414.16 × 12,382.56
  4. Step 4: Simplify right side
    21,610.08x = 401,370,281.05
  5. Step 5: Solve for x
    x = 401,370,281.05/21,610.08
  6. Step 6: Final answer
    x = 18,573.29

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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.