Home / 22,113.76-33,170.64-7,318.70

Finding the Fourth Proportional to 22,113.76, 33,170.64 and 7,318.70

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Solution

The fourth proportional to 22,113.76, 33,170.64 and 7,318.70 is: 10,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,113.76 : 33,170.64 = 7,318.70 : x
  2. Step 2: Convert to fraction form
    22,113.76/33,170.64 = 7,318.70/x
  3. Step 3: Cross multiply
    22,113.76x = 33,170.64 × 7,318.70
  4. Step 4: Simplify right side
    22,113.76x = 242,765,962.97
  5. Step 5: Solve for x
    x = 242,765,962.97/22,113.76
  6. Step 6: Final answer
    x = 10,978.05

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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.