Home / 21,719.94-32,579.82-6,137.52

Finding the Fourth Proportional to 21,719.94, 32,579.82 and 6,137.52

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Solution

The fourth proportional to 21,719.94, 32,579.82 and 6,137.52 is: 9,206.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,719.94 : 32,579.82 = 6,137.52 : x
  2. Step 2: Convert to fraction form
    21,719.94/32,579.82 = 6,137.52/x
  3. Step 3: Cross multiply
    21,719.94x = 32,579.82 × 6,137.52
  4. Step 4: Simplify right side
    21,719.94x = 199,959,296.85
  5. Step 5: Solve for x
    x = 199,959,296.85/21,719.94
  6. Step 6: Final answer
    x = 9,206.25

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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.