Home / 12,954.33-19,432.71-5,163.75

Finding the Fourth Proportional to 12,954.33, 19,432.71 and 5,163.75

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Solution

The fourth proportional to 12,954.33, 19,432.71 and 5,163.75 is: 7,746.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954.33 : 19,432.71 = 5,163.75 : x
  2. Step 2: Convert to fraction form
    12,954.33/19,432.71 = 5,163.75/x
  3. Step 3: Cross multiply
    12,954.33x = 19,432.71 × 5,163.75
  4. Step 4: Simplify right side
    12,954.33x = 100,345,656.26
  5. Step 5: Solve for x
    x = 100,345,656.26/12,954.33
  6. Step 6: Final answer
    x = 7,746.11

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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.