Home / 12,254.44-16,911.32-6,949.16

Finding the Fourth Proportional to 12,254.44, 16,911.32 and 6,949.16

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Solution

The fourth proportional to 12,254.44, 16,911.32 and 6,949.16 is: 9,589.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.44 : 16,911.32 = 6,949.16 : x
  2. Step 2: Convert to fraction form
    12,254.44/16,911.32 = 6,949.16/x
  3. Step 3: Cross multiply
    12,254.44x = 16,911.32 × 6,949.16
  4. Step 4: Simplify right side
    12,254.44x = 117,519,468.49
  5. Step 5: Solve for x
    x = 117,519,468.49/12,254.44
  6. Step 6: Final answer
    x = 9,589.95

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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.