Home / 11,189.68-15,441.80-6,154.21

Finding the Fourth Proportional to 11,189.68, 15,441.80 and 6,154.21

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Solution

The fourth proportional to 11,189.68, 15,441.80 and 6,154.21 is: 8,492.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.68 : 15,441.80 = 6,154.21 : x
  2. Step 2: Convert to fraction form
    11,189.68/15,441.80 = 6,154.21/x
  3. Step 3: Cross multiply
    11,189.68x = 15,441.80 × 6,154.21
  4. Step 4: Simplify right side
    11,189.68x = 95,032,079.98
  5. Step 5: Solve for x
    x = 95,032,079.98/11,189.68
  6. Step 6: Final answer
    x = 8,492.83

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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.