Home / 15,309.94-22,960.32-5,447.92

Finding the Fourth Proportional to 15,309.94, 22,960.32 and 5,447.92

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Solution

The fourth proportional to 15,309.94, 22,960.32 and 5,447.92 is: 8,170.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,309.94 : 22,960.32 = 5,447.92 : x
  2. Step 2: Convert to fraction form
    15,309.94/22,960.32 = 5,447.92/x
  3. Step 3: Cross multiply
    15,309.94x = 22,960.32 × 5,447.92
  4. Step 4: Simplify right side
    15,309.94x = 125,085,986.53
  5. Step 5: Solve for x
    x = 125,085,986.53/15,309.94
  6. Step 6: Final answer
    x = 8,170.25

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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.