Home / 11,189.50-15,441.68-6,154.22

Finding the Fourth Proportional to 11,189.50, 15,441.68 and 6,154.22

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Solution

The fourth proportional to 11,189.50, 15,441.68 and 6,154.22 is: 8,492.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.50 : 15,441.68 = 6,154.22 : x
  2. Step 2: Convert to fraction form
    11,189.50/15,441.68 = 6,154.22/x
  3. Step 3: Cross multiply
    11,189.50x = 15,441.68 × 6,154.22
  4. Step 4: Simplify right side
    11,189.50x = 95,031,549.88
  5. Step 5: Solve for x
    x = 95,031,549.88/11,189.50
  6. Step 6: Final answer
    x = 8,492.92

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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.