Home / 14,581.23-20,121.66-8,208.18

Finding the Fourth Proportional to 14,581.23, 20,121.66 and 8,208.18

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Solution

The fourth proportional to 14,581.23, 20,121.66 and 8,208.18 is: 11,327.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,581.23 : 20,121.66 = 8,208.18 : x
  2. Step 2: Convert to fraction form
    14,581.23/20,121.66 = 8,208.18/x
  3. Step 3: Cross multiply
    14,581.23x = 20,121.66 × 8,208.18
  4. Step 4: Simplify right side
    14,581.23x = 165,162,207.18
  5. Step 5: Solve for x
    x = 165,162,207.18/14,581.23
  6. Step 6: Final answer
    x = 11,327.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.