Home / 11,927.36-17,891.20-3,607.46

Finding the Fourth Proportional to 11,927.36, 17,891.20 and 3,607.46

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Solution

The fourth proportional to 11,927.36, 17,891.20 and 3,607.46 is: 5,411.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.36 : 17,891.20 = 3,607.46 : x
  2. Step 2: Convert to fraction form
    11,927.36/17,891.20 = 3,607.46/x
  3. Step 3: Cross multiply
    11,927.36x = 17,891.20 × 3,607.46
  4. Step 4: Simplify right side
    11,927.36x = 64,541,788.35
  5. Step 5: Solve for x
    x = 64,541,788.35/11,927.36
  6. Step 6: Final answer
    x = 5,411.24

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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.