Home / 9,629.20-14,436.60-5,251.60

Finding the Fourth Proportional to 9,629.20, 14,436.60 and 5,251.60

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Solution

The fourth proportional to 9,629.20, 14,436.60 and 5,251.60 is: 7,873.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,629.20 : 14,436.60 = 5,251.60 : x
  2. Step 2: Convert to fraction form
    9,629.20/14,436.60 = 5,251.60/x
  3. Step 3: Cross multiply
    9,629.20x = 14,436.60 × 5,251.60
  4. Step 4: Simplify right side
    9,629.20x = 75,815,248.56
  5. Step 5: Solve for x
    x = 75,815,248.56/9,629.20
  6. Step 6: Final answer
    x = 7,873.47

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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.