Home / 11,464.12-17,196.18-9,170.20

Finding the Fourth Proportional to 11,464.12, 17,196.18 and 9,170.20

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Solution

The fourth proportional to 11,464.12, 17,196.18 and 9,170.20 is: 13,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,464.12 : 17,196.18 = 9,170.20 : x
  2. Step 2: Convert to fraction form
    11,464.12/17,196.18 = 9,170.20/x
  3. Step 3: Cross multiply
    11,464.12x = 17,196.18 × 9,170.20
  4. Step 4: Simplify right side
    11,464.12x = 157,692,409.84
  5. Step 5: Solve for x
    x = 157,692,409.84/11,464.12
  6. Step 6: Final answer
    x = 13,755.30

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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.