Home / 11,230.40-16,839.62-3,437.12

Finding the Fourth Proportional to 11,230.40, 16,839.62 and 3,437.12

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Solution

The fourth proportional to 11,230.40, 16,839.62 and 3,437.12 is: 5,153.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,230.40 : 16,839.62 = 3,437.12 : x
  2. Step 2: Convert to fraction form
    11,230.40/16,839.62 = 3,437.12/x
  3. Step 3: Cross multiply
    11,230.40x = 16,839.62 × 3,437.12
  4. Step 4: Simplify right side
    11,230.40x = 57,879,794.69
  5. Step 5: Solve for x
    x = 57,879,794.69/11,230.40
  6. Step 6: Final answer
    x = 5,153.85

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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.