Home / 11,651.22-16,080.86-10,939.08

Finding the Fourth Proportional to 11,651.22, 16,080.86 and 10,939.08

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Solution

The fourth proportional to 11,651.22, 16,080.86 and 10,939.08 is: 15,097.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,651.22 : 16,080.86 = 10,939.08 : x
  2. Step 2: Convert to fraction form
    11,651.22/16,080.86 = 10,939.08/x
  3. Step 3: Cross multiply
    11,651.22x = 16,080.86 × 10,939.08
  4. Step 4: Simplify right side
    11,651.22x = 175,909,759.31
  5. Step 5: Solve for x
    x = 175,909,759.31/11,651.22
  6. Step 6: Final answer
    x = 15,097.97

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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.