Home / 20,113.44-30,170.54-6,966.24

Finding the Fourth Proportional to 20,113.44, 30,170.54 and 6,966.24

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Solution

The fourth proportional to 20,113.44, 30,170.54 and 6,966.24 is: 10,449.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,113.44 : 30,170.54 = 6,966.24 : x
  2. Step 2: Convert to fraction form
    20,113.44/30,170.54 = 6,966.24/x
  3. Step 3: Cross multiply
    20,113.44x = 30,170.54 × 6,966.24
  4. Step 4: Simplify right side
    20,113.44x = 210,175,222.57
  5. Step 5: Solve for x
    x = 210,175,222.57/20,113.44
  6. Step 6: Final answer
    x = 10,449.49

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Half scale
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Double scale
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Similar ratio
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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.