Home / 11,727.36-17,589.40-2,961.72

Finding the Fourth Proportional to 11,727.36, 17,589.40 and 2,961.72

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Solution

The fourth proportional to 11,727.36, 17,589.40 and 2,961.72 is: 4,442.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,727.36 : 17,589.40 = 2,961.72 : x
  2. Step 2: Convert to fraction form
    11,727.36/17,589.40 = 2,961.72/x
  3. Step 3: Cross multiply
    11,727.36x = 17,589.40 × 2,961.72
  4. Step 4: Simplify right side
    11,727.36x = 52,094,877.77
  5. Step 5: Solve for x
    x = 52,094,877.77/11,727.36
  6. Step 6: Final answer
    x = 4,442.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.