Home / 22,017.14-32,981.96-12,131.90

Finding the Fourth Proportional to 22,017.14, 32,981.96 and 12,131.90

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Solution

The fourth proportional to 22,017.14, 32,981.96 and 12,131.90 is: 18,173.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,017.14 : 32,981.96 = 12,131.90 : x
  2. Step 2: Convert to fraction form
    22,017.14/32,981.96 = 12,131.90/x
  3. Step 3: Cross multiply
    22,017.14x = 32,981.96 × 12,131.90
  4. Step 4: Simplify right side
    22,017.14x = 400,133,705.94
  5. Step 5: Solve for x
    x = 400,133,705.94/22,017.14
  6. Step 6: Final answer
    x = 18,173.74

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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.