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Finding the Fourth Proportional to 14,551.71, 20,076.46 and 8,884.41

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Solution

The fourth proportional to 14,551.71, 20,076.46 and 8,884.41 is: 12,257.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,551.71 : 20,076.46 = 8,884.41 : x
  2. Step 2: Convert to fraction form
    14,551.71/20,076.46 = 8,884.41/x
  3. Step 3: Cross multiply
    14,551.71x = 20,076.46 × 8,884.41
  4. Step 4: Simplify right side
    14,551.71x = 178,367,501.99
  5. Step 5: Solve for x
    x = 178,367,501.99/14,551.71
  6. Step 6: Final answer
    x = 12,257.49

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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.