Home / 11,291.99-16,937.94-2,858.57

Finding the Fourth Proportional to 11,291.99, 16,937.94 and 2,858.57

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Solution

The fourth proportional to 11,291.99, 16,937.94 and 2,858.57 is: 4,287.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291.99 : 16,937.94 = 2,858.57 : x
  2. Step 2: Convert to fraction form
    11,291.99/16,937.94 = 2,858.57/x
  3. Step 3: Cross multiply
    11,291.99x = 16,937.94 × 2,858.57
  4. Step 4: Simplify right side
    11,291.99x = 48,418,347.85
  5. Step 5: Solve for x
    x = 48,418,347.85/11,291.99
  6. Step 6: Final answer
    x = 4,287.85

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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.