Home / 15,620.56-23,425.31-5,087.73

Finding the Fourth Proportional to 15,620.56, 23,425.31 and 5,087.73

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Solution

The fourth proportional to 15,620.56, 23,425.31 and 5,087.73 is: 7,629.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,620.56 : 23,425.31 = 5,087.73 : x
  2. Step 2: Convert to fraction form
    15,620.56/23,425.31 = 5,087.73/x
  3. Step 3: Cross multiply
    15,620.56x = 23,425.31 × 5,087.73
  4. Step 4: Simplify right side
    15,620.56x = 119,181,509.88
  5. Step 5: Solve for x
    x = 119,181,509.88/15,620.56
  6. Step 6: Final answer
    x = 7,629.78

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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.