Home / 11,108.75-16,643.68-9,351.86

Finding the Fourth Proportional to 11,108.75, 16,643.68 and 9,351.86

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Solution

The fourth proportional to 11,108.75, 16,643.68 and 9,351.86 is: 14,011.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.75 : 16,643.68 = 9,351.86 : x
  2. Step 2: Convert to fraction form
    11,108.75/16,643.68 = 9,351.86/x
  3. Step 3: Cross multiply
    11,108.75x = 16,643.68 × 9,351.86
  4. Step 4: Simplify right side
    11,108.75x = 155,649,258.65
  5. Step 5: Solve for x
    x = 155,649,258.65/11,108.75
  6. Step 6: Final answer
    x = 14,011.42

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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.