Home / 11,480.08-17,220.12-3,160.14

Finding the Fourth Proportional to 11,480.08, 17,220.12 and 3,160.14

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Solution

The fourth proportional to 11,480.08, 17,220.12 and 3,160.14 is: 4,740.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,480.08 : 17,220.12 = 3,160.14 : x
  2. Step 2: Convert to fraction form
    11,480.08/17,220.12 = 3,160.14/x
  3. Step 3: Cross multiply
    11,480.08x = 17,220.12 × 3,160.14
  4. Step 4: Simplify right side
    11,480.08x = 54,417,990.02
  5. Step 5: Solve for x
    x = 54,417,990.02/11,480.08
  6. Step 6: Final answer
    x = 4,740.21

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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.