Home / 10,288-15,434.16-3,267.12

Finding the Fourth Proportional to 10,288, 15,434.16 and 3,267.12

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Solution

The fourth proportional to 10,288, 15,434.16 and 3,267.12 is: 4,901.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288 : 15,434.16 = 3,267.12 : x
  2. Step 2: Convert to fraction form
    10,288/15,434.16 = 3,267.12/x
  3. Step 3: Cross multiply
    10,288x = 15,434.16 × 3,267.12
  4. Step 4: Simplify right side
    10,288x = 50,425,252.82
  5. Step 5: Solve for x
    x = 50,425,252.82/10,288
  6. Step 6: Final answer
    x = 4,901.37

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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.