Home / 11,391.34-17,089.51-3,494.94

Finding the Fourth Proportional to 11,391.34, 17,089.51 and 3,494.94

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Solution

The fourth proportional to 11,391.34, 17,089.51 and 3,494.94 is: 5,243.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,391.34 : 17,089.51 = 3,494.94 : x
  2. Step 2: Convert to fraction form
    11,391.34/17,089.51 = 3,494.94/x
  3. Step 3: Cross multiply
    11,391.34x = 17,089.51 × 3,494.94
  4. Step 4: Simplify right side
    11,391.34x = 59,726,812.08
  5. Step 5: Solve for x
    x = 59,726,812.08/11,391.34
  6. Step 6: Final answer
    x = 5,243.18

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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.