Home / 11,042.60-16,564.80-3,145.10

Finding the Fourth Proportional to 11,042.60, 16,564.80 and 3,145.10

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Solution

The fourth proportional to 11,042.60, 16,564.80 and 3,145.10 is: 4,717.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,042.60 : 16,564.80 = 3,145.10 : x
  2. Step 2: Convert to fraction form
    11,042.60/16,564.80 = 3,145.10/x
  3. Step 3: Cross multiply
    11,042.60x = 16,564.80 × 3,145.10
  4. Step 4: Simplify right side
    11,042.60x = 52,097,952.48
  5. Step 5: Solve for x
    x = 52,097,952.48/11,042.60
  6. Step 6: Final answer
    x = 4,717.91

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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.