Home / 11,865.10-17,786.04-6,602.64

Finding the Fourth Proportional to 11,865.10, 17,786.04 and 6,602.64

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Solution

The fourth proportional to 11,865.10, 17,786.04 and 6,602.64 is: 9,897.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,865.10 : 17,786.04 = 6,602.64 : x
  2. Step 2: Convert to fraction form
    11,865.10/17,786.04 = 6,602.64/x
  3. Step 3: Cross multiply
    11,865.10x = 17,786.04 × 6,602.64
  4. Step 4: Simplify right side
    11,865.10x = 117,434,819.15
  5. Step 5: Solve for x
    x = 117,434,819.15/11,865.10
  6. Step 6: Final answer
    x = 9,897.50

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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.