Home / 14,581.39-20,122.09-8,207.96

Finding the Fourth Proportional to 14,581.39, 20,122.09 and 8,207.96

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Solution

The fourth proportional to 14,581.39, 20,122.09 and 8,207.96 is: 11,326.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,581.39 : 20,122.09 = 8,207.96 : x
  2. Step 2: Convert to fraction form
    14,581.39/20,122.09 = 8,207.96/x
  3. Step 3: Cross multiply
    14,581.39x = 20,122.09 × 8,207.96
  4. Step 4: Simplify right side
    14,581.39x = 165,161,358.49
  5. Step 5: Solve for x
    x = 165,161,358.49/14,581.39
  6. Step 6: Final answer
    x = 11,326.86

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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.