Home / 11,189.32-15,441.61-6,154

Finding the Fourth Proportional to 11,189.32, 15,441.61 and 6,154

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Solution

The fourth proportional to 11,189.32, 15,441.61 and 6,154 is: 8,492.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.32 : 15,441.61 = 6,154 : x
  2. Step 2: Convert to fraction form
    11,189.32/15,441.61 = 6,154/x
  3. Step 3: Cross multiply
    11,189.32x = 15,441.61 × 6,154
  4. Step 4: Simplify right side
    11,189.32x = 95,027,667.94
  5. Step 5: Solve for x
    x = 95,027,667.94/11,189.32
  6. Step 6: Final answer
    x = 8,492.71

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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.