Home / 11,479.46-17,215.74-4,082.94

Finding the Fourth Proportional to 11,479.46, 17,215.74 and 4,082.94

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Solution

The fourth proportional to 11,479.46, 17,215.74 and 4,082.94 is: 6,123.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.46 : 17,215.74 = 4,082.94 : x
  2. Step 2: Convert to fraction form
    11,479.46/17,215.74 = 4,082.94/x
  3. Step 3: Cross multiply
    11,479.46x = 17,215.74 × 4,082.94
  4. Step 4: Simplify right side
    11,479.46x = 70,290,833.48
  5. Step 5: Solve for x
    x = 70,290,833.48/11,479.46
  6. Step 6: Final answer
    x = 6,123.19

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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.