Home / 22,815.11-34,216.72-9,660.71

Finding the Fourth Proportional to 22,815.11, 34,216.72 and 9,660.71

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Solution

The fourth proportional to 22,815.11, 34,216.72 and 9,660.71 is: 14,488.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,815.11 : 34,216.72 = 9,660.71 : x
  2. Step 2: Convert to fraction form
    22,815.11/34,216.72 = 9,660.71/x
  3. Step 3: Cross multiply
    22,815.11x = 34,216.72 × 9,660.71
  4. Step 4: Simplify right side
    22,815.11x = 330,557,809.07
  5. Step 5: Solve for x
    x = 330,557,809.07/22,815.11
  6. Step 6: Final answer
    x = 14,488.55

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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.