Home / 13,658.82-20,468.17-7,802.52

Finding the Fourth Proportional to 13,658.82, 20,468.17 and 7,802.52

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Solution

The fourth proportional to 13,658.82, 20,468.17 and 7,802.52 is: 11,692.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,658.82 : 20,468.17 = 7,802.52 : x
  2. Step 2: Convert to fraction form
    13,658.82/20,468.17 = 7,802.52/x
  3. Step 3: Cross multiply
    13,658.82x = 20,468.17 × 7,802.52
  4. Step 4: Simplify right side
    13,658.82x = 159,703,305.79
  5. Step 5: Solve for x
    x = 159,703,305.79/13,658.82
  6. Step 6: Final answer
    x = 11,692.32

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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.