Home / 12,151.24-16,768.47-6,845.95

Finding the Fourth Proportional to 12,151.24, 16,768.47 and 6,845.95

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Solution

The fourth proportional to 12,151.24, 16,768.47 and 6,845.95 is: 9,447.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151.24 : 16,768.47 = 6,845.95 : x
  2. Step 2: Convert to fraction form
    12,151.24/16,768.47 = 6,845.95/x
  3. Step 3: Cross multiply
    12,151.24x = 16,768.47 × 6,845.95
  4. Step 4: Simplify right side
    12,151.24x = 114,796,107.20
  5. Step 5: Solve for x
    x = 114,796,107.20/12,151.24
  6. Step 6: Final answer
    x = 9,447.28

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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.