Home / 10,177.04-15,266.48-2,781.54

Finding the Fourth Proportional to 10,177.04, 15,266.48 and 2,781.54

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Solution

The fourth proportional to 10,177.04, 15,266.48 and 2,781.54 is: 4,172.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.04 : 15,266.48 = 2,781.54 : x
  2. Step 2: Convert to fraction form
    10,177.04/15,266.48 = 2,781.54/x
  3. Step 3: Cross multiply
    10,177.04x = 15,266.48 × 2,781.54
  4. Step 4: Simplify right side
    10,177.04x = 42,464,310.87
  5. Step 5: Solve for x
    x = 42,464,310.87/10,177.04
  6. Step 6: Final answer
    x = 4,172.56

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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.