Home / 10,129.31-15,193.81-2,734.52

Finding the Fourth Proportional to 10,129.31, 15,193.81 and 2,734.52

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Solution

The fourth proportional to 10,129.31, 15,193.81 and 2,734.52 is: 4,101.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,129.31 : 15,193.81 = 2,734.52 : x
  2. Step 2: Convert to fraction form
    10,129.31/15,193.81 = 2,734.52/x
  3. Step 3: Cross multiply
    10,129.31x = 15,193.81 × 2,734.52
  4. Step 4: Simplify right side
    10,129.31x = 41,547,704.77
  5. Step 5: Solve for x
    x = 41,547,704.77/10,129.31
  6. Step 6: Final answer
    x = 4,101.73

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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.