Home / 15,949.98-22,010.79-8,877.18

Finding the Fourth Proportional to 15,949.98, 22,010.79 and 8,877.18

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Solution

The fourth proportional to 15,949.98, 22,010.79 and 8,877.18 is: 12,250.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,949.98 : 22,010.79 = 8,877.18 : x
  2. Step 2: Convert to fraction form
    15,949.98/22,010.79 = 8,877.18/x
  3. Step 3: Cross multiply
    15,949.98x = 22,010.79 × 8,877.18
  4. Step 4: Simplify right side
    15,949.98x = 195,393,744.77
  5. Step 5: Solve for x
    x = 195,393,744.77/15,949.98
  6. Step 6: Final answer
    x = 12,250.41

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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.