Home / 11,973.53-16,522.83-6,868.78

Finding the Fourth Proportional to 11,973.53, 16,522.83 and 6,868.78

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Solution

The fourth proportional to 11,973.53, 16,522.83 and 6,868.78 is: 9,478.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,973.53 : 16,522.83 = 6,868.78 : x
  2. Step 2: Convert to fraction form
    11,973.53/16,522.83 = 6,868.78/x
  3. Step 3: Cross multiply
    11,973.53x = 16,522.83 × 6,868.78
  4. Step 4: Simplify right side
    11,973.53x = 113,491,684.25
  5. Step 5: Solve for x
    x = 113,491,684.25/11,973.53
  6. Step 6: Final answer
    x = 9,478.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.