Home / 10,076.97-15,115.01-3,503.67

Finding the Fourth Proportional to 10,076.97, 15,115.01 and 3,503.67

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Solution

The fourth proportional to 10,076.97, 15,115.01 and 3,503.67 is: 5,255.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,076.97 : 15,115.01 = 3,503.67 : x
  2. Step 2: Convert to fraction form
    10,076.97/15,115.01 = 3,503.67/x
  3. Step 3: Cross multiply
    10,076.97x = 15,115.01 × 3,503.67
  4. Step 4: Simplify right side
    10,076.97x = 52,957,989.57
  5. Step 5: Solve for x
    x = 52,957,989.57/10,076.97
  6. Step 6: Final answer
    x = 5,255.35

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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.