Home / 14,026.92-21,040.36-8,179.43

Finding the Fourth Proportional to 14,026.92, 21,040.36 and 8,179.43

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Solution

The fourth proportional to 14,026.92, 21,040.36 and 8,179.43 is: 12,269.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,026.92 : 21,040.36 = 8,179.43 : x
  2. Step 2: Convert to fraction form
    14,026.92/21,040.36 = 8,179.43/x
  3. Step 3: Cross multiply
    14,026.92x = 21,040.36 × 8,179.43
  4. Step 4: Simplify right side
    14,026.92x = 172,098,144.50
  5. Step 5: Solve for x
    x = 172,098,144.50/14,026.92
  6. Step 6: Final answer
    x = 12,269.13

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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.