Home / 22,718.91-34,081.62-7,137.75

Finding the Fourth Proportional to 22,718.91, 34,081.62 and 7,137.75

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Solution

The fourth proportional to 22,718.91, 34,081.62 and 7,137.75 is: 10,707.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,718.91 : 34,081.62 = 7,137.75 : x
  2. Step 2: Convert to fraction form
    22,718.91/34,081.62 = 7,137.75/x
  3. Step 3: Cross multiply
    22,718.91x = 34,081.62 × 7,137.75
  4. Step 4: Simplify right side
    22,718.91x = 243,266,083.16
  5. Step 5: Solve for x
    x = 243,266,083.16/22,718.91
  6. Step 6: Final answer
    x = 10,707.65

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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.