Home / 16,296.85-22,478.03-14,956.78

Finding the Fourth Proportional to 16,296.85, 22,478.03 and 14,956.78

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Solution

The fourth proportional to 16,296.85, 22,478.03 and 14,956.78 is: 20,629.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,296.85 : 22,478.03 = 14,956.78 : x
  2. Step 2: Convert to fraction form
    16,296.85/22,478.03 = 14,956.78/x
  3. Step 3: Cross multiply
    16,296.85x = 22,478.03 × 14,956.78
  4. Step 4: Simplify right side
    16,296.85x = 336,198,949.54
  5. Step 5: Solve for x
    x = 336,198,949.54/16,296.85
  6. Step 6: Final answer
    x = 20,629.69

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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.