Home / 10,103.30-15,154.70-2,707.75

Finding the Fourth Proportional to 10,103.30, 15,154.70 and 2,707.75

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Solution

The fourth proportional to 10,103.30, 15,154.70 and 2,707.75 is: 4,061.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103.30 : 15,154.70 = 2,707.75 : x
  2. Step 2: Convert to fraction form
    10,103.30/15,154.70 = 2,707.75/x
  3. Step 3: Cross multiply
    10,103.30x = 15,154.70 × 2,707.75
  4. Step 4: Simplify right side
    10,103.30x = 41,035,138.93
  5. Step 5: Solve for x
    x = 41,035,138.93/10,103.30
  6. Step 6: Final answer
    x = 4,061.56

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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.