Home / 9,905.90-14,857.92-3,665.95

Finding the Fourth Proportional to 9,905.90, 14,857.92 and 3,665.95

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Solution

The fourth proportional to 9,905.90, 14,857.92 and 3,665.95 is: 5,498.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.90 : 14,857.92 = 3,665.95 : x
  2. Step 2: Convert to fraction form
    9,905.90/14,857.92 = 3,665.95/x
  3. Step 3: Cross multiply
    9,905.90x = 14,857.92 × 3,665.95
  4. Step 4: Simplify right side
    9,905.90x = 54,468,354.68
  5. Step 5: Solve for x
    x = 54,468,354.68/9,905.90
  6. Step 6: Final answer
    x = 5,498.58

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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.