Home / 11,502.91-17,258.01-4,107.21

Finding the Fourth Proportional to 11,502.91, 17,258.01 and 4,107.21

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Solution

The fourth proportional to 11,502.91, 17,258.01 and 4,107.21 is: 6,162.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,502.91 : 17,258.01 = 4,107.21 : x
  2. Step 2: Convert to fraction form
    11,502.91/17,258.01 = 4,107.21/x
  3. Step 3: Cross multiply
    11,502.91x = 17,258.01 × 4,107.21
  4. Step 4: Simplify right side
    11,502.91x = 70,882,184.96
  5. Step 5: Solve for x
    x = 70,882,184.96/11,502.91
  6. Step 6: Final answer
    x = 6,162.11

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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.