Home / 11,299.19-16,934.87-8,189.84

Finding the Fourth Proportional to 11,299.19, 16,934.87 and 8,189.84

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Solution

The fourth proportional to 11,299.19, 16,934.87 and 8,189.84 is: 12,274.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,299.19 : 16,934.87 = 8,189.84 : x
  2. Step 2: Convert to fraction form
    11,299.19/16,934.87 = 8,189.84/x
  3. Step 3: Cross multiply
    11,299.19x = 16,934.87 × 8,189.84
  4. Step 4: Simplify right side
    11,299.19x = 138,693,750.10
  5. Step 5: Solve for x
    x = 138,693,750.10/11,299.19
  6. Step 6: Final answer
    x = 12,274.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.