Home / 11,189.86-16,784.75-3,799.55

Finding the Fourth Proportional to 11,189.86, 16,784.75 and 3,799.55

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Solution

The fourth proportional to 11,189.86, 16,784.75 and 3,799.55 is: 5,699.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.86 : 16,784.75 = 3,799.55 : x
  2. Step 2: Convert to fraction form
    11,189.86/16,784.75 = 3,799.55/x
  3. Step 3: Cross multiply
    11,189.86x = 16,784.75 × 3,799.55
  4. Step 4: Simplify right side
    11,189.86x = 63,774,496.86
  5. Step 5: Solve for x
    x = 63,774,496.86/11,189.86
  6. Step 6: Final answer
    x = 5,699.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.