Home / 12,331.13-18,494.67-5,309.26

Finding the Fourth Proportional to 12,331.13, 18,494.67 and 5,309.26

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Solution

The fourth proportional to 12,331.13, 18,494.67 and 5,309.26 is: 7,963.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331.13 : 18,494.67 = 5,309.26 : x
  2. Step 2: Convert to fraction form
    12,331.13/18,494.67 = 5,309.26/x
  3. Step 3: Cross multiply
    12,331.13x = 18,494.67 × 5,309.26
  4. Step 4: Simplify right side
    12,331.13x = 98,192,919.17
  5. Step 5: Solve for x
    x = 98,192,919.17/12,331.13
  6. Step 6: Final answer
    x = 7,963.01

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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.