Home / 11,207.31-16,807.04-3,307.72

Finding the Fourth Proportional to 11,207.31, 16,807.04 and 3,307.72

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Solution

The fourth proportional to 11,207.31, 16,807.04 and 3,307.72 is: 4,960.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.31 : 16,807.04 = 3,307.72 : x
  2. Step 2: Convert to fraction form
    11,207.31/16,807.04 = 3,307.72/x
  3. Step 3: Cross multiply
    11,207.31x = 16,807.04 × 3,307.72
  4. Step 4: Simplify right side
    11,207.31x = 55,592,982.35
  5. Step 5: Solve for x
    x = 55,592,982.35/11,207.31
  6. Step 6: Final answer
    x = 4,960.42

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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.