Home / 11,771.43-16,244.63-6,393.89

Finding the Fourth Proportional to 11,771.43, 16,244.63 and 6,393.89

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Solution

The fourth proportional to 11,771.43, 16,244.63 and 6,393.89 is: 8,823.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,771.43 : 16,244.63 = 6,393.89 : x
  2. Step 2: Convert to fraction form
    11,771.43/16,244.63 = 6,393.89/x
  3. Step 3: Cross multiply
    11,771.43x = 16,244.63 × 6,393.89
  4. Step 4: Simplify right side
    11,771.43x = 103,866,264.12
  5. Step 5: Solve for x
    x = 103,866,264.12/11,771.43
  6. Step 6: Final answer
    x = 8,823.59

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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.