Home / 11,199.20-16,801.83-9,975.15

Finding the Fourth Proportional to 11,199.20, 16,801.83 and 9,975.15

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Solution

The fourth proportional to 11,199.20, 16,801.83 and 9,975.15 is: 14,965.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199.20 : 16,801.83 = 9,975.15 : x
  2. Step 2: Convert to fraction form
    11,199.20/16,801.83 = 9,975.15/x
  3. Step 3: Cross multiply
    11,199.20x = 16,801.83 × 9,975.15
  4. Step 4: Simplify right side
    11,199.20x = 167,600,774.52
  5. Step 5: Solve for x
    x = 167,600,774.52/11,199.20
  6. Step 6: Final answer
    x = 14,965.43

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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.