Home / 11,661.66-16,092.50-6,625.21

Finding the Fourth Proportional to 11,661.66, 16,092.50 and 6,625.21

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Solution

The fourth proportional to 11,661.66, 16,092.50 and 6,625.21 is: 9,142.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,661.66 : 16,092.50 = 6,625.21 : x
  2. Step 2: Convert to fraction form
    11,661.66/16,092.50 = 6,625.21/x
  3. Step 3: Cross multiply
    11,661.66x = 16,092.50 × 6,625.21
  4. Step 4: Simplify right side
    11,661.66x = 106,616,191.93
  5. Step 5: Solve for x
    x = 106,616,191.93/11,661.66
  6. Step 6: Final answer
    x = 9,142.45

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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.