Home / 12,108.97-16,710.60-6,803.79

Finding the Fourth Proportional to 12,108.97, 16,710.60 and 6,803.79

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Solution

The fourth proportional to 12,108.97, 16,710.60 and 6,803.79 is: 9,389.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108.97 : 16,710.60 = 6,803.79 : x
  2. Step 2: Convert to fraction form
    12,108.97/16,710.60 = 6,803.79/x
  3. Step 3: Cross multiply
    12,108.97x = 16,710.60 × 6,803.79
  4. Step 4: Simplify right side
    12,108.97x = 113,695,413.17
  5. Step 5: Solve for x
    x = 113,695,413.17/12,108.97
  6. Step 6: Final answer
    x = 9,389.35

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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.