Home / 16,343.87-22,554.33-9,629.78

Finding the Fourth Proportional to 16,343.87, 22,554.33 and 9,629.78

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Solution

The fourth proportional to 16,343.87, 22,554.33 and 9,629.78 is: 13,288.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,343.87 : 22,554.33 = 9,629.78 : x
  2. Step 2: Convert to fraction form
    16,343.87/22,554.33 = 9,629.78/x
  3. Step 3: Cross multiply
    16,343.87x = 22,554.33 × 9,629.78
  4. Step 4: Simplify right side
    16,343.87x = 217,193,235.95
  5. Step 5: Solve for x
    x = 217,193,235.95/16,343.87
  6. Step 6: Final answer
    x = 13,288.97

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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.