Home / 14,639.40-21,907.26-9,959.88

Finding the Fourth Proportional to 14,639.40, 21,907.26 and 9,959.88

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Solution

The fourth proportional to 14,639.40, 21,907.26 and 9,959.88 is: 14,904.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.40 : 21,907.26 = 9,959.88 : x
  2. Step 2: Convert to fraction form
    14,639.40/21,907.26 = 9,959.88/x
  3. Step 3: Cross multiply
    14,639.40x = 21,907.26 × 9,959.88
  4. Step 4: Simplify right side
    14,639.40x = 218,193,680.73
  5. Step 5: Solve for x
    x = 218,193,680.73/14,639.40
  6. Step 6: Final answer
    x = 14,904.55

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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.