Home / 11,001.47-16,505.98-3,211.43

Finding the Fourth Proportional to 11,001.47, 16,505.98 and 3,211.43

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Solution

The fourth proportional to 11,001.47, 16,505.98 and 3,211.43 is: 4,818.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.47 : 16,505.98 = 3,211.43 : x
  2. Step 2: Convert to fraction form
    11,001.47/16,505.98 = 3,211.43/x
  3. Step 3: Cross multiply
    11,001.47x = 16,505.98 × 3,211.43
  4. Step 4: Simplify right side
    11,001.47x = 53,007,708.79
  5. Step 5: Solve for x
    x = 53,007,708.79/11,001.47
  6. Step 6: Final answer
    x = 4,818.24

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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.