Home / 14,734.32-20,333.82-8,447.88

Finding the Fourth Proportional to 14,734.32, 20,333.82 and 8,447.88

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Solution

The fourth proportional to 14,734.32, 20,333.82 and 8,447.88 is: 11,658.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,734.32 : 20,333.82 = 8,447.88 : x
  2. Step 2: Convert to fraction form
    14,734.32/20,333.82 = 8,447.88/x
  3. Step 3: Cross multiply
    14,734.32x = 20,333.82 × 8,447.88
  4. Step 4: Simplify right side
    14,734.32x = 171,777,671.30
  5. Step 5: Solve for x
    x = 171,777,671.30/14,734.32
  6. Step 6: Final answer
    x = 11,658.34

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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.