Home / 11,195.28-15,448.55-6,479.87

Finding the Fourth Proportional to 11,195.28, 15,448.55 and 6,479.87

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Solution

The fourth proportional to 11,195.28, 15,448.55 and 6,479.87 is: 8,941.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,195.28 : 15,448.55 = 6,479.87 : x
  2. Step 2: Convert to fraction form
    11,195.28/15,448.55 = 6,479.87/x
  3. Step 3: Cross multiply
    11,195.28x = 15,448.55 × 6,479.87
  4. Step 4: Simplify right side
    11,195.28x = 100,104,486.05
  5. Step 5: Solve for x
    x = 100,104,486.05/11,195.28
  6. Step 6: Final answer
    x = 8,941.67

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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.