Home / 11,027.11-16,538.47-5,402.37

Finding the Fourth Proportional to 11,027.11, 16,538.47 and 5,402.37

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Solution

The fourth proportional to 11,027.11, 16,538.47 and 5,402.37 is: 8,102.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,027.11 : 16,538.47 = 5,402.37 : x
  2. Step 2: Convert to fraction form
    11,027.11/16,538.47 = 5,402.37/x
  3. Step 3: Cross multiply
    11,027.11x = 16,538.47 × 5,402.37
  4. Step 4: Simplify right side
    11,027.11x = 89,346,934.17
  5. Step 5: Solve for x
    x = 89,346,934.17/11,027.11
  6. Step 6: Final answer
    x = 8,102.48

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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.