Home / 22,140.46-30,553.44-12,069.02

Finding the Fourth Proportional to 22,140.46, 30,553.44 and 12,069.02

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Solution

The fourth proportional to 22,140.46, 30,553.44 and 12,069.02 is: 16,655.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,140.46 : 30,553.44 = 12,069.02 : x
  2. Step 2: Convert to fraction form
    22,140.46/30,553.44 = 12,069.02/x
  3. Step 3: Cross multiply
    22,140.46x = 30,553.44 × 12,069.02
  4. Step 4: Simplify right side
    22,140.46x = 368,750,078.43
  5. Step 5: Solve for x
    x = 368,750,078.43/22,140.46
  6. Step 6: Final answer
    x = 16,655.03

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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.