Home / 10,115.67-15,176.07-3,541.69

Finding the Fourth Proportional to 10,115.67, 15,176.07 and 3,541.69

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Solution

The fourth proportional to 10,115.67, 15,176.07 and 3,541.69 is: 5,313.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115.67 : 15,176.07 = 3,541.69 : x
  2. Step 2: Convert to fraction form
    10,115.67/15,176.07 = 3,541.69/x
  3. Step 3: Cross multiply
    10,115.67x = 15,176.07 × 3,541.69
  4. Step 4: Simplify right side
    10,115.67x = 53,748,895.28
  5. Step 5: Solve for x
    x = 53,748,895.28/10,115.67
  6. Step 6: Final answer
    x = 5,313.43

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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.