Home / 22,110.36-33,165.90-12,311.92

Finding the Fourth Proportional to 22,110.36, 33,165.90 and 12,311.92

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Solution

The fourth proportional to 22,110.36, 33,165.90 and 12,311.92 is: 18,468.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,110.36 : 33,165.90 = 12,311.92 : x
  2. Step 2: Convert to fraction form
    22,110.36/33,165.90 = 12,311.92/x
  3. Step 3: Cross multiply
    22,110.36x = 33,165.90 × 12,311.92
  4. Step 4: Simplify right side
    22,110.36x = 408,335,907.53
  5. Step 5: Solve for x
    x = 408,335,907.53/22,110.36
  6. Step 6: Final answer
    x = 18,468.08

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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.