Home / 11,389.39-17,084.18-3,491.89

Finding the Fourth Proportional to 11,389.39, 17,084.18 and 3,491.89

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Solution

The fourth proportional to 11,389.39, 17,084.18 and 3,491.89 is: 5,237.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389.39 : 17,084.18 = 3,491.89 : x
  2. Step 2: Convert to fraction form
    11,389.39/17,084.18 = 3,491.89/x
  3. Step 3: Cross multiply
    11,389.39x = 17,084.18 × 3,491.89
  4. Step 4: Simplify right side
    11,389.39x = 59,656,043.32
  5. Step 5: Solve for x
    x = 59,656,043.32/11,389.39
  6. Step 6: Final answer
    x = 5,237.86

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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.