Home / 19,984.82-29,996.67-9,603.86

Finding the Fourth Proportional to 19,984.82, 29,996.67 and 9,603.86

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Solution

The fourth proportional to 19,984.82, 29,996.67 and 9,603.86 is: 14,415.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,984.82 : 29,996.67 = 9,603.86 : x
  2. Step 2: Convert to fraction form
    19,984.82/29,996.67 = 9,603.86/x
  3. Step 3: Cross multiply
    19,984.82x = 29,996.67 × 9,603.86
  4. Step 4: Simplify right side
    19,984.82x = 288,083,819.15
  5. Step 5: Solve for x
    x = 288,083,819.15/19,984.82
  6. Step 6: Final answer
    x = 14,415.13

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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.