Home / 11,004.56-15,186.32-6,291.60

Finding the Fourth Proportional to 11,004.56, 15,186.32 and 6,291.60

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Solution

The fourth proportional to 11,004.56, 15,186.32 and 6,291.60 is: 8,682.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,004.56 : 15,186.32 = 6,291.60 : x
  2. Step 2: Convert to fraction form
    11,004.56/15,186.32 = 6,291.60/x
  3. Step 3: Cross multiply
    11,004.56x = 15,186.32 × 6,291.60
  4. Step 4: Simplify right side
    11,004.56x = 95,546,250.91
  5. Step 5: Solve for x
    x = 95,546,250.91/11,004.56
  6. Step 6: Final answer
    x = 8,682.42

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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.