Home / 11,387.16-17,082.54-4,813.38

Finding the Fourth Proportional to 11,387.16, 17,082.54 and 4,813.38

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Solution

The fourth proportional to 11,387.16, 17,082.54 and 4,813.38 is: 7,220.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387.16 : 17,082.54 = 4,813.38 : x
  2. Step 2: Convert to fraction form
    11,387.16/17,082.54 = 4,813.38/x
  3. Step 3: Cross multiply
    11,387.16x = 17,082.54 × 4,813.38
  4. Step 4: Simplify right side
    11,387.16x = 82,224,756.39
  5. Step 5: Solve for x
    x = 82,224,756.39/11,387.16
  6. Step 6: Final answer
    x = 7,220.83

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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.