Home / 12,240.08-16,891.56-6,651.44

Finding the Fourth Proportional to 12,240.08, 16,891.56 and 6,651.44

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Solution

The fourth proportional to 12,240.08, 16,891.56 and 6,651.44 is: 9,179.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.08 : 16,891.56 = 6,651.44 : x
  2. Step 2: Convert to fraction form
    12,240.08/16,891.56 = 6,651.44/x
  3. Step 3: Cross multiply
    12,240.08x = 16,891.56 × 6,651.44
  4. Step 4: Simplify right side
    12,240.08x = 112,353,197.85
  5. Step 5: Solve for x
    x = 112,353,197.85/12,240.08
  6. Step 6: Final answer
    x = 9,179.12

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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.