Home / 10,127.22-15,189.76-2,731.22

Finding the Fourth Proportional to 10,127.22, 15,189.76 and 2,731.22

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Solution

The fourth proportional to 10,127.22, 15,189.76 and 2,731.22 is: 4,096.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.22 : 15,189.76 = 2,731.22 : x
  2. Step 2: Convert to fraction form
    10,127.22/15,189.76 = 2,731.22/x
  3. Step 3: Cross multiply
    10,127.22x = 15,189.76 × 2,731.22
  4. Step 4: Simplify right side
    10,127.22x = 41,486,576.31
  5. Step 5: Solve for x
    x = 41,486,576.31/10,127.22
  6. Step 6: Final answer
    x = 4,096.54

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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.