Home / 11,727.05-16,181.85-9,343.07

Finding the Fourth Proportional to 11,727.05, 16,181.85 and 9,343.07

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Solution

The fourth proportional to 11,727.05, 16,181.85 and 9,343.07 is: 12,892.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,727.05 : 16,181.85 = 9,343.07 : x
  2. Step 2: Convert to fraction form
    11,727.05/16,181.85 = 9,343.07/x
  3. Step 3: Cross multiply
    11,727.05x = 16,181.85 × 9,343.07
  4. Step 4: Simplify right side
    11,727.05x = 151,188,157.28
  5. Step 5: Solve for x
    x = 151,188,157.28/11,727.05
  6. Step 6: Final answer
    x = 12,892.26

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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.