Home / 22,017.60-33,002.10-12,163.95

Finding the Fourth Proportional to 22,017.60, 33,002.10 and 12,163.95

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Solution

The fourth proportional to 22,017.60, 33,002.10 and 12,163.95 is: 18,232.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,017.60 : 33,002.10 = 12,163.95 : x
  2. Step 2: Convert to fraction form
    22,017.60/33,002.10 = 12,163.95/x
  3. Step 3: Cross multiply
    22,017.60x = 33,002.10 × 12,163.95
  4. Step 4: Simplify right side
    22,017.60x = 401,435,894.30
  5. Step 5: Solve for x
    x = 401,435,894.30/22,017.60
  6. Step 6: Final answer
    x = 18,232.50

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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.