Home / 10,122.48-15,182.60-2,727.68

Finding the Fourth Proportional to 10,122.48, 15,182.60 and 2,727.68

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Solution

The fourth proportional to 10,122.48, 15,182.60 and 2,727.68 is: 4,091.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122.48 : 15,182.60 = 2,727.68 : x
  2. Step 2: Convert to fraction form
    10,122.48/15,182.60 = 2,727.68/x
  3. Step 3: Cross multiply
    10,122.48x = 15,182.60 × 2,727.68
  4. Step 4: Simplify right side
    10,122.48x = 41,413,184.82
  5. Step 5: Solve for x
    x = 41,413,184.82/10,122.48
  6. Step 6: Final answer
    x = 4,091.21

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