Home / 14,471.28-21,689.04-8,236.44

Finding the Fourth Proportional to 14,471.28, 21,689.04 and 8,236.44

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Solution

The fourth proportional to 14,471.28, 21,689.04 and 8,236.44 is: 12,344.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,471.28 : 21,689.04 = 8,236.44 : x
  2. Step 2: Convert to fraction form
    14,471.28/21,689.04 = 8,236.44/x
  3. Step 3: Cross multiply
    14,471.28x = 21,689.04 × 8,236.44
  4. Step 4: Simplify right side
    14,471.28x = 178,640,476.62
  5. Step 5: Solve for x
    x = 178,640,476.62/14,471.28
  6. Step 6: Final answer
    x = 12,344.48

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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.