Home / 10,139.16-15,208.38-2,744.76

Finding the Fourth Proportional to 10,139.16, 15,208.38 and 2,744.76

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Solution

The fourth proportional to 10,139.16, 15,208.38 and 2,744.76 is: 4,117.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,139.16 : 15,208.38 = 2,744.76 : x
  2. Step 2: Convert to fraction form
    10,139.16/15,208.38 = 2,744.76/x
  3. Step 3: Cross multiply
    10,139.16x = 15,208.38 × 2,744.76
  4. Step 4: Simplify right side
    10,139.16x = 41,743,353.09
  5. Step 5: Solve for x
    x = 41,743,353.09/10,139.16
  6. Step 6: Final answer
    x = 4,117.04

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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.