Home / 11,693.24-16,135.88-6,388.04

Finding the Fourth Proportional to 11,693.24, 16,135.88 and 6,388.04

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Solution

The fourth proportional to 11,693.24, 16,135.88 and 6,388.04 is: 8,815.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,693.24 : 16,135.88 = 6,388.04 : x
  2. Step 2: Convert to fraction form
    11,693.24/16,135.88 = 6,388.04/x
  3. Step 3: Cross multiply
    11,693.24x = 16,135.88 × 6,388.04
  4. Step 4: Simplify right side
    11,693.24x = 103,076,646.88
  5. Step 5: Solve for x
    x = 103,076,646.88/11,693.24
  6. Step 6: Final answer
    x = 8,815.06

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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.