Home / 11,189.87-15,441.72-6,154.09

Finding the Fourth Proportional to 11,189.87, 15,441.72 and 6,154.09

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Solution

The fourth proportional to 11,189.87, 15,441.72 and 6,154.09 is: 8,492.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.87 : 15,441.72 = 6,154.09 : x
  2. Step 2: Convert to fraction form
    11,189.87/15,441.72 = 6,154.09/x
  3. Step 3: Cross multiply
    11,189.87x = 15,441.72 × 6,154.09
  4. Step 4: Simplify right side
    11,189.87x = 95,029,742.47
  5. Step 5: Solve for x
    x = 95,029,742.47/11,189.87
  6. Step 6: Final answer
    x = 8,492.48

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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.