Home / 16,949.38-25,446.48-13,619.74

Finding the Fourth Proportional to 16,949.38, 25,446.48 and 13,619.74

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Solution

The fourth proportional to 16,949.38, 25,446.48 and 13,619.74 is: 20,447.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,949.38 : 25,446.48 = 13,619.74 : x
  2. Step 2: Convert to fraction form
    16,949.38/25,446.48 = 13,619.74/x
  3. Step 3: Cross multiply
    16,949.38x = 25,446.48 × 13,619.74
  4. Step 4: Simplify right side
    16,949.38x = 346,574,441.52
  5. Step 5: Solve for x
    x = 346,574,441.52/16,949.38
  6. Step 6: Final answer
    x = 20,447.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.