Home / 12,276.24-16,941.24-6,687.60

Finding the Fourth Proportional to 12,276.24, 16,941.24 and 6,687.60

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Solution

The fourth proportional to 12,276.24, 16,941.24 and 6,687.60 is: 9,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,276.24 : 16,941.24 = 6,687.60 : x
  2. Step 2: Convert to fraction form
    12,276.24/16,941.24 = 6,687.60/x
  3. Step 3: Cross multiply
    12,276.24x = 16,941.24 × 6,687.60
  4. Step 4: Simplify right side
    12,276.24x = 113,296,236.62
  5. Step 5: Solve for x
    x = 113,296,236.62/12,276.24
  6. Step 6: Final answer
    x = 9,228.90

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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.