Home / 16,770.60-25,155.48-4,290.66

Finding the Fourth Proportional to 16,770.60, 25,155.48 and 4,290.66

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Solution

The fourth proportional to 16,770.60, 25,155.48 and 4,290.66 is: 6,435.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770.60 : 25,155.48 = 4,290.66 : x
  2. Step 2: Convert to fraction form
    16,770.60/25,155.48 = 4,290.66/x
  3. Step 3: Cross multiply
    16,770.60x = 25,155.48 × 4,290.66
  4. Step 4: Simplify right side
    16,770.60x = 107,933,611.82
  5. Step 5: Solve for x
    x = 107,933,611.82/16,770.60
  6. Step 6: Final answer
    x = 6,435.88

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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.