Home / 12,108.26-16,718.73-9,760.88

Finding the Fourth Proportional to 12,108.26, 16,718.73 and 9,760.88

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Solution

The fourth proportional to 12,108.26, 16,718.73 and 9,760.88 is: 13,477.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108.26 : 16,718.73 = 9,760.88 : x
  2. Step 2: Convert to fraction form
    12,108.26/16,718.73 = 9,760.88/x
  3. Step 3: Cross multiply
    12,108.26x = 16,718.73 × 9,760.88
  4. Step 4: Simplify right side
    12,108.26x = 163,189,517.28
  5. Step 5: Solve for x
    x = 163,189,517.28/12,108.26
  6. Step 6: Final answer
    x = 13,477.54

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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.