Home / 11,771.31-16,244.58-6,393.77

Finding the Fourth Proportional to 11,771.31, 16,244.58 and 6,393.77

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Solution

The fourth proportional to 11,771.31, 16,244.58 and 6,393.77 is: 8,823.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,771.31 : 16,244.58 = 6,393.77 : x
  2. Step 2: Convert to fraction form
    11,771.31/16,244.58 = 6,393.77/x
  3. Step 3: Cross multiply
    11,771.31x = 16,244.58 × 6,393.77
  4. Step 4: Simplify right side
    11,771.31x = 103,864,111.94
  5. Step 5: Solve for x
    x = 103,864,111.94/11,771.31
  6. Step 6: Final answer
    x = 8,823.49

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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.