Home / 11,291.97-16,888.73-6,600.86

Finding the Fourth Proportional to 11,291.97, 16,888.73 and 6,600.86

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Solution

The fourth proportional to 11,291.97, 16,888.73 and 6,600.86 is: 9,872.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291.97 : 16,888.73 = 6,600.86 : x
  2. Step 2: Convert to fraction form
    11,291.97/16,888.73 = 6,600.86/x
  3. Step 3: Cross multiply
    11,291.97x = 16,888.73 × 6,600.86
  4. Step 4: Simplify right side
    11,291.97x = 111,480,024.86
  5. Step 5: Solve for x
    x = 111,480,024.86/11,291.97
  6. Step 6: Final answer
    x = 9,872.50

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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.