Home / 22,059.10-30,441.86-11,987.70

Finding the Fourth Proportional to 22,059.10, 30,441.86 and 11,987.70

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Solution

The fourth proportional to 22,059.10, 30,441.86 and 11,987.70 is: 16,543.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,059.10 : 30,441.86 = 11,987.70 : x
  2. Step 2: Convert to fraction form
    22,059.10/30,441.86 = 11,987.70/x
  3. Step 3: Cross multiply
    22,059.10x = 30,441.86 × 11,987.70
  4. Step 4: Simplify right side
    22,059.10x = 364,927,885.12
  5. Step 5: Solve for x
    x = 364,927,885.12/22,059.10
  6. Step 6: Final answer
    x = 16,543.19

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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.