Home / 14,639.88-21,960.42-4,251.63

Finding the Fourth Proportional to 14,639.88, 21,960.42 and 4,251.63

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Solution

The fourth proportional to 14,639.88, 21,960.42 and 4,251.63 is: 6,377.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.88 : 21,960.42 = 4,251.63 : x
  2. Step 2: Convert to fraction form
    14,639.88/21,960.42 = 4,251.63/x
  3. Step 3: Cross multiply
    14,639.88x = 21,960.42 × 4,251.63
  4. Step 4: Simplify right side
    14,639.88x = 93,367,580.48
  5. Step 5: Solve for x
    x = 93,367,580.48/14,639.88
  6. Step 6: Final answer
    x = 6,377.62

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1.5x scale

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.