Home / 12,366.50-17,065.77-6,777.38

Finding the Fourth Proportional to 12,366.50, 17,065.77 and 6,777.38

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Solution

The fourth proportional to 12,366.50, 17,065.77 and 6,777.38 is: 9,352.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.50 : 17,065.77 = 6,777.38 : x
  2. Step 2: Convert to fraction form
    12,366.50/17,065.77 = 6,777.38/x
  3. Step 3: Cross multiply
    12,366.50x = 17,065.77 × 6,777.38
  4. Step 4: Simplify right side
    12,366.50x = 115,661,208.28
  5. Step 5: Solve for x
    x = 115,661,208.28/12,366.50
  6. Step 6: Final answer
    x = 9,352.78

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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.