Home / 10,177.35-15,266.01-2,781.65

Finding the Fourth Proportional to 10,177.35, 15,266.01 and 2,781.65

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Solution

The fourth proportional to 10,177.35, 15,266.01 and 2,781.65 is: 4,172.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.35 : 15,266.01 = 2,781.65 : x
  2. Step 2: Convert to fraction form
    10,177.35/15,266.01 = 2,781.65/x
  3. Step 3: Cross multiply
    10,177.35x = 15,266.01 × 2,781.65
  4. Step 4: Simplify right side
    10,177.35x = 42,464,620.39
  5. Step 5: Solve for x
    x = 42,464,620.39/10,177.35
  6. Step 6: Final answer
    x = 4,172.46

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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.