Home / 12,770.37-19,134.29-4,445.80

Finding the Fourth Proportional to 12,770.37, 19,134.29 and 4,445.80

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Solution

The fourth proportional to 12,770.37, 19,134.29 and 4,445.80 is: 6,661.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770.37 : 19,134.29 = 4,445.80 : x
  2. Step 2: Convert to fraction form
    12,770.37/19,134.29 = 4,445.80/x
  3. Step 3: Cross multiply
    12,770.37x = 19,134.29 × 4,445.80
  4. Step 4: Simplify right side
    12,770.37x = 85,067,189.76
  5. Step 5: Solve for x
    x = 85,067,189.76/12,770.37
  6. Step 6: Final answer
    x = 6,661.29

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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.