Home / 11,629.14-16,021.06-8,086.20

Finding the Fourth Proportional to 11,629.14, 16,021.06 and 8,086.20

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Solution

The fourth proportional to 11,629.14, 16,021.06 and 8,086.20 is: 11,140.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,629.14 : 16,021.06 = 8,086.20 : x
  2. Step 2: Convert to fraction form
    11,629.14/16,021.06 = 8,086.20/x
  3. Step 3: Cross multiply
    11,629.14x = 16,021.06 × 8,086.20
  4. Step 4: Simplify right side
    11,629.14x = 129,549,495.37
  5. Step 5: Solve for x
    x = 129,549,495.37/11,629.14
  6. Step 6: Final answer
    x = 11,140.08

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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.