Home / 12,177.11-18,262.48-5,511.01

Finding the Fourth Proportional to 12,177.11, 18,262.48 and 5,511.01

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Solution

The fourth proportional to 12,177.11, 18,262.48 and 5,511.01 is: 8,265.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177.11 : 18,262.48 = 5,511.01 : x
  2. Step 2: Convert to fraction form
    12,177.11/18,262.48 = 5,511.01/x
  3. Step 3: Cross multiply
    12,177.11x = 18,262.48 × 5,511.01
  4. Step 4: Simplify right side
    12,177.11x = 100,644,709.90
  5. Step 5: Solve for x
    x = 100,644,709.90/12,177.11
  6. Step 6: Final answer
    x = 8,265.07

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1.5x scale

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.