Home / 13,734.90-20,602.44-5,943.78

Finding the Fourth Proportional to 13,734.90, 20,602.44 and 5,943.78

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Solution

The fourth proportional to 13,734.90, 20,602.44 and 5,943.78 is: 8,915.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.90 : 20,602.44 = 5,943.78 : x
  2. Step 2: Convert to fraction form
    13,734.90/20,602.44 = 5,943.78/x
  3. Step 3: Cross multiply
    13,734.90x = 20,602.44 × 5,943.78
  4. Step 4: Simplify right side
    13,734.90x = 122,456,370.82
  5. Step 5: Solve for x
    x = 122,456,370.82/13,734.90
  6. Step 6: Final answer
    x = 8,915.71

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1.5x scale

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.