Home / 12,348.16-18,515.94-4,022.82

Finding the Fourth Proportional to 12,348.16, 18,515.94 and 4,022.82

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Solution

The fourth proportional to 12,348.16, 18,515.94 and 4,022.82 is: 6,032.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348.16 : 18,515.94 = 4,022.82 : x
  2. Step 2: Convert to fraction form
    12,348.16/18,515.94 = 4,022.82/x
  3. Step 3: Cross multiply
    12,348.16x = 18,515.94 × 4,022.82
  4. Step 4: Simplify right side
    12,348.16x = 74,486,293.75
  5. Step 5: Solve for x
    x = 74,486,293.75/12,348.16
  6. Step 6: Final answer
    x = 6,032.18

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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.