Home / 10,091.14-15,138.15-3,166.18

Finding the Fourth Proportional to 10,091.14, 15,138.15 and 3,166.18

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Solution

The fourth proportional to 10,091.14, 15,138.15 and 3,166.18 is: 4,749.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.14 : 15,138.15 = 3,166.18 : x
  2. Step 2: Convert to fraction form
    10,091.14/15,138.15 = 3,166.18/x
  3. Step 3: Cross multiply
    10,091.14x = 15,138.15 × 3,166.18
  4. Step 4: Simplify right side
    10,091.14x = 47,930,107.77
  5. Step 5: Solve for x
    x = 47,930,107.77/10,091.14
  6. Step 6: Final answer
    x = 4,749.72

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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.