Home / 14,951.52-20,634.21-8,664.84

Finding the Fourth Proportional to 14,951.52, 20,634.21 and 8,664.84

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Solution

The fourth proportional to 14,951.52, 20,634.21 and 8,664.84 is: 11,958.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,951.52 : 20,634.21 = 8,664.84 : x
  2. Step 2: Convert to fraction form
    14,951.52/20,634.21 = 8,664.84/x
  3. Step 3: Cross multiply
    14,951.52x = 20,634.21 × 8,664.84
  4. Step 4: Simplify right side
    14,951.52x = 178,792,128.18
  5. Step 5: Solve for x
    x = 178,792,128.18/14,951.52
  6. Step 6: Final answer
    x = 11,958.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.