Home / 12,265.22-18,381.42-7,001.84

Finding the Fourth Proportional to 12,265.22, 18,381.42 and 7,001.84

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Solution

The fourth proportional to 12,265.22, 18,381.42 and 7,001.84 is: 10,493.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265.22 : 18,381.42 = 7,001.84 : x
  2. Step 2: Convert to fraction form
    12,265.22/18,381.42 = 7,001.84/x
  3. Step 3: Cross multiply
    12,265.22x = 18,381.42 × 7,001.84
  4. Step 4: Simplify right side
    12,265.22x = 128,703,761.81
  5. Step 5: Solve for x
    x = 128,703,761.81/12,265.22
  6. Step 6: Final answer
    x = 10,493.39

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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.