Home / 10,113.67-15,170.03-3,541.33

Finding the Fourth Proportional to 10,113.67, 15,170.03 and 3,541.33

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Solution

The fourth proportional to 10,113.67, 15,170.03 and 3,541.33 is: 5,311.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,113.67 : 15,170.03 = 3,541.33 : x
  2. Step 2: Convert to fraction form
    10,113.67/15,170.03 = 3,541.33/x
  3. Step 3: Cross multiply
    10,113.67x = 15,170.03 × 3,541.33
  4. Step 4: Simplify right side
    10,113.67x = 53,721,988.78
  5. Step 5: Solve for x
    x = 53,721,988.78/10,113.67
  6. Step 6: Final answer
    x = 5,311.82

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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.