Home / 12,770.26-19,155.40-4,005.86

Finding the Fourth Proportional to 12,770.26, 19,155.40 and 4,005.86

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Solution

The fourth proportional to 12,770.26, 19,155.40 and 4,005.86 is: 6,008.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770.26 : 19,155.40 = 4,005.86 : x
  2. Step 2: Convert to fraction form
    12,770.26/19,155.40 = 4,005.86/x
  3. Step 3: Cross multiply
    12,770.26x = 19,155.40 × 4,005.86
  4. Step 4: Simplify right side
    12,770.26x = 76,733,850.64
  5. Step 5: Solve for x
    x = 76,733,850.64/12,770.26
  6. Step 6: Final answer
    x = 6,008.79

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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.