Home / 15,320.44-22,982.82-5,457.61

Finding the Fourth Proportional to 15,320.44, 22,982.82 and 5,457.61

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Solution

The fourth proportional to 15,320.44, 22,982.82 and 5,457.61 is: 8,187.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,320.44 : 22,982.82 = 5,457.61 : x
  2. Step 2: Convert to fraction form
    15,320.44/22,982.82 = 5,457.61/x
  3. Step 3: Cross multiply
    15,320.44x = 22,982.82 × 5,457.61
  4. Step 4: Simplify right side
    15,320.44x = 125,431,268.26
  5. Step 5: Solve for x
    x = 125,431,268.26/15,320.44
  6. Step 6: Final answer
    x = 8,187.18

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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.