Home / 11,887.19-16,404.21-6,849.56

Finding the Fourth Proportional to 11,887.19, 16,404.21 and 6,849.56

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Solution

The fourth proportional to 11,887.19, 16,404.21 and 6,849.56 is: 9,452.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,887.19 : 16,404.21 = 6,849.56 : x
  2. Step 2: Convert to fraction form
    11,887.19/16,404.21 = 6,849.56/x
  3. Step 3: Cross multiply
    11,887.19x = 16,404.21 × 6,849.56
  4. Step 4: Simplify right side
    11,887.19x = 112,361,620.65
  5. Step 5: Solve for x
    x = 112,361,620.65/11,887.19
  6. Step 6: Final answer
    x = 9,452.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.