Home / 12,764.85-19,147.29-4,000.46

Finding the Fourth Proportional to 12,764.85, 19,147.29 and 4,000.46

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Solution

The fourth proportional to 12,764.85, 19,147.29 and 4,000.46 is: 6,000.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764.85 : 19,147.29 = 4,000.46 : x
  2. Step 2: Convert to fraction form
    12,764.85/19,147.29 = 4,000.46/x
  3. Step 3: Cross multiply
    12,764.85x = 19,147.29 × 4,000.46
  4. Step 4: Simplify right side
    12,764.85x = 76,597,872.02
  5. Step 5: Solve for x
    x = 76,597,872.02/12,764.85
  6. Step 6: Final answer
    x = 6,000.69

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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.