Home / 14,721.64-20,310.42-8,753.56

Finding the Fourth Proportional to 14,721.64, 20,310.42 and 8,753.56

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Solution

The fourth proportional to 14,721.64, 20,310.42 and 8,753.56 is: 12,076.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,721.64 : 20,310.42 = 8,753.56 : x
  2. Step 2: Convert to fraction form
    14,721.64/20,310.42 = 8,753.56/x
  3. Step 3: Cross multiply
    14,721.64x = 20,310.42 × 8,753.56
  4. Step 4: Simplify right side
    14,721.64x = 177,788,480.10
  5. Step 5: Solve for x
    x = 177,788,480.10/14,721.64
  6. Step 6: Final answer
    x = 12,076.68

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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.