Home / 21,664.36-32,491.74-6,081.64

Finding the Fourth Proportional to 21,664.36, 32,491.74 and 6,081.64

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Solution

The fourth proportional to 21,664.36, 32,491.74 and 6,081.64 is: 9,121.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,664.36 : 32,491.74 = 6,081.64 : x
  2. Step 2: Convert to fraction form
    21,664.36/32,491.74 = 6,081.64/x
  3. Step 3: Cross multiply
    21,664.36x = 32,491.74 × 6,081.64
  4. Step 4: Simplify right side
    21,664.36x = 197,603,065.65
  5. Step 5: Solve for x
    x = 197,603,065.65/21,664.36
  6. Step 6: Final answer
    x = 9,121.11

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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.