Home / 11,729.43-16,186.88-6,693.55

Finding the Fourth Proportional to 11,729.43, 16,186.88 and 6,693.55

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Solution

The fourth proportional to 11,729.43, 16,186.88 and 6,693.55 is: 9,237.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,729.43 : 16,186.88 = 6,693.55 : x
  2. Step 2: Convert to fraction form
    11,729.43/16,186.88 = 6,693.55/x
  3. Step 3: Cross multiply
    11,729.43x = 16,186.88 × 6,693.55
  4. Step 4: Simplify right side
    11,729.43x = 108,347,722.72
  5. Step 5: Solve for x
    x = 108,347,722.72/11,729.43
  6. Step 6: Final answer
    x = 9,237.25

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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.