Home / 12,566.61-18,846-4,245.75

Finding the Fourth Proportional to 12,566.61, 18,846 and 4,245.75

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Solution

The fourth proportional to 12,566.61, 18,846 and 4,245.75 is: 6,367.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,566.61 : 18,846 = 4,245.75 : x
  2. Step 2: Convert to fraction form
    12,566.61/18,846 = 4,245.75/x
  3. Step 3: Cross multiply
    12,566.61x = 18,846 × 4,245.75
  4. Step 4: Simplify right side
    12,566.61x = 80,015,404.50
  5. Step 5: Solve for x
    x = 80,015,404.50/12,566.61
  6. Step 6: Final answer
    x = 6,367.30

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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.