Home / 10,765.01-16,138.79-3,365.66

Finding the Fourth Proportional to 10,765.01, 16,138.79 and 3,365.66

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Solution

The fourth proportional to 10,765.01, 16,138.79 and 3,365.66 is: 5,045.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,765.01 : 16,138.79 = 3,365.66 : x
  2. Step 2: Convert to fraction form
    10,765.01/16,138.79 = 3,365.66/x
  3. Step 3: Cross multiply
    10,765.01x = 16,138.79 × 3,365.66
  4. Step 4: Simplify right side
    10,765.01x = 54,317,607.67
  5. Step 5: Solve for x
    x = 54,317,607.67/10,765.01
  6. Step 6: Final answer
    x = 5,045.76

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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.