Home / 9,157.44-12,630.82-8,852.62

Finding the Fourth Proportional to 9,157.44, 12,630.82 and 8,852.62

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Solution

The fourth proportional to 9,157.44, 12,630.82 and 8,852.62 is: 12,210.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,157.44 : 12,630.82 = 8,852.62 : x
  2. Step 2: Convert to fraction form
    9,157.44/12,630.82 = 8,852.62/x
  3. Step 3: Cross multiply
    9,157.44x = 12,630.82 × 8,852.62
  4. Step 4: Simplify right side
    9,157.44x = 111,815,849.75
  5. Step 5: Solve for x
    x = 111,815,849.75/9,157.44
  6. Step 6: Final answer
    x = 12,210.38

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.