Home / 13,537.54-20,255.28-7,993.90

Finding the Fourth Proportional to 13,537.54, 20,255.28 and 7,993.90

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Solution

The fourth proportional to 13,537.54, 20,255.28 and 7,993.90 is: 11,960.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537.54 : 20,255.28 = 7,993.90 : x
  2. Step 2: Convert to fraction form
    13,537.54/20,255.28 = 7,993.90/x
  3. Step 3: Cross multiply
    13,537.54x = 20,255.28 × 7,993.90
  4. Step 4: Simplify right side
    13,537.54x = 161,918,682.79
  5. Step 5: Solve for x
    x = 161,918,682.79/13,537.54
  6. Step 6: Final answer
    x = 11,960.72

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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.