Home / 22,059.25-30,441.95-11,987.69

Finding the Fourth Proportional to 22,059.25, 30,441.95 and 11,987.69

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Solution

The fourth proportional to 22,059.25, 30,441.95 and 11,987.69 is: 16,543.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,059.25 : 30,441.95 = 11,987.69 : x
  2. Step 2: Convert to fraction form
    22,059.25/30,441.95 = 11,987.69/x
  3. Step 3: Cross multiply
    22,059.25x = 30,441.95 × 11,987.69
  4. Step 4: Simplify right side
    22,059.25x = 364,928,659.60
  5. Step 5: Solve for x
    x = 364,928,659.60/22,059.25
  6. Step 6: Final answer
    x = 16,543.11

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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.