Home / 10,629.20-14,665.57-5,912.57

Finding the Fourth Proportional to 10,629.20, 14,665.57 and 5,912.57

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Solution

The fourth proportional to 10,629.20, 14,665.57 and 5,912.57 is: 8,157.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,629.20 : 14,665.57 = 5,912.57 : x
  2. Step 2: Convert to fraction form
    10,629.20/14,665.57 = 5,912.57/x
  3. Step 3: Cross multiply
    10,629.20x = 14,665.57 × 5,912.57
  4. Step 4: Simplify right side
    10,629.20x = 86,711,121.11
  5. Step 5: Solve for x
    x = 86,711,121.11/10,629.20
  6. Step 6: Final answer
    x = 8,157.83

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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.