Home / 21,388.91-32,086.38-6,599.03

Finding the Fourth Proportional to 21,388.91, 32,086.38 and 6,599.03

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Solution

The fourth proportional to 21,388.91, 32,086.38 and 6,599.03 is: 9,899.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,388.91 : 32,086.38 = 6,599.03 : x
  2. Step 2: Convert to fraction form
    21,388.91/32,086.38 = 6,599.03/x
  3. Step 3: Cross multiply
    21,388.91x = 32,086.38 × 6,599.03
  4. Step 4: Simplify right side
    21,388.91x = 211,738,984.21
  5. Step 5: Solve for x
    x = 211,738,984.21/21,388.91
  6. Step 6: Final answer
    x = 9,899.48

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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.