Home / 11,225.98-16,839.78-3,433.78

Finding the Fourth Proportional to 11,225.98, 16,839.78 and 3,433.78

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Solution

The fourth proportional to 11,225.98, 16,839.78 and 3,433.78 is: 5,150.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.98 : 16,839.78 = 3,433.78 : x
  2. Step 2: Convert to fraction form
    11,225.98/16,839.78 = 3,433.78/x
  3. Step 3: Cross multiply
    11,225.98x = 16,839.78 × 3,433.78
  4. Step 4: Simplify right side
    11,225.98x = 57,824,099.77
  5. Step 5: Solve for x
    x = 57,824,099.77/11,225.98
  6. Step 6: Final answer
    x = 5,150.92

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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.