Home / 16,185.78-22,335.84-9,110.85

Finding the Fourth Proportional to 16,185.78, 22,335.84 and 9,110.85

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Solution

The fourth proportional to 16,185.78, 22,335.84 and 9,110.85 is: 12,572.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,185.78 : 22,335.84 = 9,110.85 : x
  2. Step 2: Convert to fraction form
    16,185.78/22,335.84 = 9,110.85/x
  3. Step 3: Cross multiply
    16,185.78x = 22,335.84 × 9,110.85
  4. Step 4: Simplify right side
    16,185.78x = 203,498,487.86
  5. Step 5: Solve for x
    x = 203,498,487.86/16,185.78
  6. Step 6: Final answer
    x = 12,572.67

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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.