Home / 14,965.80-22,419.54-9,107.88

Finding the Fourth Proportional to 14,965.80, 22,419.54 and 9,107.88

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Solution

The fourth proportional to 14,965.80, 22,419.54 and 9,107.88 is: 13,644.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,965.80 : 22,419.54 = 9,107.88 : x
  2. Step 2: Convert to fraction form
    14,965.80/22,419.54 = 9,107.88/x
  3. Step 3: Cross multiply
    14,965.80x = 22,419.54 × 9,107.88
  4. Step 4: Simplify right side
    14,965.80x = 204,194,479.98
  5. Step 5: Solve for x
    x = 204,194,479.98/14,965.80
  6. Step 6: Final answer
    x = 13,644.07

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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.