Home / 15,949.80-22,011.75-8,876.70

Finding the Fourth Proportional to 15,949.80, 22,011.75 and 8,876.70

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Solution

The fourth proportional to 15,949.80, 22,011.75 and 8,876.70 is: 12,250.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,949.80 : 22,011.75 = 8,876.70 : x
  2. Step 2: Convert to fraction form
    15,949.80/22,011.75 = 8,876.70/x
  3. Step 3: Cross multiply
    15,949.80x = 22,011.75 × 8,876.70
  4. Step 4: Simplify right side
    15,949.80x = 195,391,701.23
  5. Step 5: Solve for x
    x = 195,391,701.23/15,949.80
  6. Step 6: Final answer
    x = 12,250.42

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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.