Home / 10,127.28-15,189.09-2,730.02

Finding the Fourth Proportional to 10,127.28, 15,189.09 and 2,730.02

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Solution

The fourth proportional to 10,127.28, 15,189.09 and 2,730.02 is: 4,094.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.28 : 15,189.09 = 2,730.02 : x
  2. Step 2: Convert to fraction form
    10,127.28/15,189.09 = 2,730.02/x
  3. Step 3: Cross multiply
    10,127.28x = 15,189.09 × 2,730.02
  4. Step 4: Simplify right side
    10,127.28x = 41,466,443.54
  5. Step 5: Solve for x
    x = 41,466,443.54/10,127.28
  6. Step 6: Final answer
    x = 4,094.53

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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.