Home / 11,731.40-16,189.17-6,697.22

Finding the Fourth Proportional to 11,731.40, 16,189.17 and 6,697.22

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Solution

The fourth proportional to 11,731.40, 16,189.17 and 6,697.22 is: 9,242.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.40 : 16,189.17 = 6,697.22 : x
  2. Step 2: Convert to fraction form
    11,731.40/16,189.17 = 6,697.22/x
  3. Step 3: Cross multiply
    11,731.40x = 16,189.17 × 6,697.22
  4. Step 4: Simplify right side
    11,731.40x = 108,422,327.05
  5. Step 5: Solve for x
    x = 108,422,327.05/11,731.40
  6. Step 6: Final answer
    x = 9,242.06

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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.