Home / 11,289.72-16,934.55-3,392.22

Finding the Fourth Proportional to 11,289.72, 16,934.55 and 3,392.22

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Solution

The fourth proportional to 11,289.72, 16,934.55 and 3,392.22 is: 5,088.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.72 : 16,934.55 = 3,392.22 : x
  2. Step 2: Convert to fraction form
    11,289.72/16,934.55 = 3,392.22/x
  3. Step 3: Cross multiply
    11,289.72x = 16,934.55 × 3,392.22
  4. Step 4: Simplify right side
    11,289.72x = 57,445,719.20
  5. Step 5: Solve for x
    x = 57,445,719.20/11,289.72
  6. Step 6: Final answer
    x = 5,088.32

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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.