Home / 11,187.92-16,784.58-3,397.52

Finding the Fourth Proportional to 11,187.92, 16,784.58 and 3,397.52

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Solution

The fourth proportional to 11,187.92, 16,784.58 and 3,397.52 is: 5,097.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.92 : 16,784.58 = 3,397.52 : x
  2. Step 2: Convert to fraction form
    11,187.92/16,784.58 = 3,397.52/x
  3. Step 3: Cross multiply
    11,187.92x = 16,784.58 × 3,397.52
  4. Step 4: Simplify right side
    11,187.92x = 57,025,946.24
  5. Step 5: Solve for x
    x = 57,025,946.24/11,187.92
  6. Step 6: Final answer
    x = 5,097.10

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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.