Home / 21,395.36-32,097.04-8,246.56

Finding the Fourth Proportional to 21,395.36, 32,097.04 and 8,246.56

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Solution

The fourth proportional to 21,395.36, 32,097.04 and 8,246.56 is: 12,371.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,395.36 : 32,097.04 = 8,246.56 : x
  2. Step 2: Convert to fraction form
    21,395.36/32,097.04 = 8,246.56/x
  3. Step 3: Cross multiply
    21,395.36x = 32,097.04 × 8,246.56
  4. Step 4: Simplify right side
    21,395.36x = 264,690,166.18
  5. Step 5: Solve for x
    x = 264,690,166.18/21,395.36
  6. Step 6: Final answer
    x = 12,371.38

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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.