Home / 12,147.53-16,763.69-6,841.85

Finding the Fourth Proportional to 12,147.53, 16,763.69 and 6,841.85

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Solution

The fourth proportional to 12,147.53, 16,763.69 and 6,841.85 is: 9,441.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,147.53 : 16,763.69 = 6,841.85 : x
  2. Step 2: Convert to fraction form
    12,147.53/16,763.69 = 6,841.85/x
  3. Step 3: Cross multiply
    12,147.53x = 16,763.69 × 6,841.85
  4. Step 4: Simplify right side
    12,147.53x = 114,694,618.22
  5. Step 5: Solve for x
    x = 114,694,618.22/12,147.53
  6. Step 6: Final answer
    x = 9,441.81

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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.