Home / 11,004.88-15,189.38-6,291.90

Finding the Fourth Proportional to 11,004.88, 15,189.38 and 6,291.90

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Solution

The fourth proportional to 11,004.88, 15,189.38 and 6,291.90 is: 8,684.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,004.88 : 15,189.38 = 6,291.90 : x
  2. Step 2: Convert to fraction form
    11,004.88/15,189.38 = 6,291.90/x
  3. Step 3: Cross multiply
    11,004.88x = 15,189.38 × 6,291.90
  4. Step 4: Simplify right side
    11,004.88x = 95,570,060.02
  5. Step 5: Solve for x
    x = 95,570,060.02/11,004.88
  6. Step 6: Final answer
    x = 8,684.33

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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.