Home / 21,395.56-32,081.56-6,600.36

Finding the Fourth Proportional to 21,395.56, 32,081.56 and 6,600.36

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Solution

The fourth proportional to 21,395.56, 32,081.56 and 6,600.36 is: 9,896.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,395.56 : 32,081.56 = 6,600.36 : x
  2. Step 2: Convert to fraction form
    21,395.56/32,081.56 = 6,600.36/x
  3. Step 3: Cross multiply
    21,395.56x = 32,081.56 × 6,600.36
  4. Step 4: Simplify right side
    21,395.56x = 211,749,845.36
  5. Step 5: Solve for x
    x = 211,749,845.36/21,395.56
  6. Step 6: Final answer
    x = 9,896.91

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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.