Home / 21,581.36-32,376.36-6,794

Finding the Fourth Proportional to 21,581.36, 32,376.36 and 6,794

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Solution

The fourth proportional to 21,581.36, 32,376.36 and 6,794 is: 10,192.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581.36 : 32,376.36 = 6,794 : x
  2. Step 2: Convert to fraction form
    21,581.36/32,376.36 = 6,794/x
  3. Step 3: Cross multiply
    21,581.36x = 32,376.36 × 6,794
  4. Step 4: Simplify right side
    21,581.36x = 219,964,989.84
  5. Step 5: Solve for x
    x = 219,964,989.84/21,581.36
  6. Step 6: Final answer
    x = 10,192.36

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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.