Home / 12,288.24-16,957.32-6,699.12

Finding the Fourth Proportional to 12,288.24, 16,957.32 and 6,699.12

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Solution

The fourth proportional to 12,288.24, 16,957.32 and 6,699.12 is: 9,244.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,288.24 : 16,957.32 = 6,699.12 : x
  2. Step 2: Convert to fraction form
    12,288.24/16,957.32 = 6,699.12/x
  3. Step 3: Cross multiply
    12,288.24x = 16,957.32 × 6,699.12
  4. Step 4: Simplify right side
    12,288.24x = 113,599,121.56
  5. Step 5: Solve for x
    x = 113,599,121.56/12,288.24
  6. Step 6: Final answer
    x = 9,244.54

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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.