Home / 10,138.88-15,208.25-2,744.10

Finding the Fourth Proportional to 10,138.88, 15,208.25 and 2,744.10

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Solution

The fourth proportional to 10,138.88, 15,208.25 and 2,744.10 is: 4,116.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,138.88 : 15,208.25 = 2,744.10 : x
  2. Step 2: Convert to fraction form
    10,138.88/15,208.25 = 2,744.10/x
  3. Step 3: Cross multiply
    10,138.88x = 15,208.25 × 2,744.10
  4. Step 4: Simplify right side
    10,138.88x = 41,732,945.10
  5. Step 5: Solve for x
    x = 41,732,945.10/10,138.88
  6. Step 6: Final answer
    x = 4,116.13

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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.