Home / 13,652.06-20,451.82-8,371.65

Finding the Fourth Proportional to 13,652.06, 20,451.82 and 8,371.65

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Solution

The fourth proportional to 13,652.06, 20,451.82 and 8,371.65 is: 12,541.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652.06 : 20,451.82 = 8,371.65 : x
  2. Step 2: Convert to fraction form
    13,652.06/20,451.82 = 8,371.65/x
  3. Step 3: Cross multiply
    13,652.06x = 20,451.82 × 8,371.65
  4. Step 4: Simplify right side
    13,652.06x = 171,215,478.90
  5. Step 5: Solve for x
    x = 171,215,478.90/13,652.06
  6. Step 6: Final answer
    x = 12,541.37

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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.