Home / 15,954.82-22,018.38-8,881.70

Finding the Fourth Proportional to 15,954.82, 22,018.38 and 8,881.70

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Solution

The fourth proportional to 15,954.82, 22,018.38 and 8,881.70 is: 12,257.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,954.82 : 22,018.38 = 8,881.70 : x
  2. Step 2: Convert to fraction form
    15,954.82/22,018.38 = 8,881.70/x
  3. Step 3: Cross multiply
    15,954.82x = 22,018.38 × 8,881.70
  4. Step 4: Simplify right side
    15,954.82x = 195,560,645.65
  5. Step 5: Solve for x
    x = 195,560,645.65/15,954.82
  6. Step 6: Final answer
    x = 12,257.15

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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.