Home / 14,508.33-20,020.82-8,219.49

Finding the Fourth Proportional to 14,508.33, 20,020.82 and 8,219.49

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Solution

The fourth proportional to 14,508.33, 20,020.82 and 8,219.49 is: 11,342.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508.33 : 20,020.82 = 8,219.49 : x
  2. Step 2: Convert to fraction form
    14,508.33/20,020.82 = 8,219.49/x
  3. Step 3: Cross multiply
    14,508.33x = 20,020.82 × 8,219.49
  4. Step 4: Simplify right side
    14,508.33x = 164,560,888.68
  5. Step 5: Solve for x
    x = 164,560,888.68/14,508.33
  6. Step 6: Final answer
    x = 11,342.51

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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.