Home / 12,447.22-18,658.46-5,046.98

Finding the Fourth Proportional to 12,447.22, 18,658.46 and 5,046.98

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Solution

The fourth proportional to 12,447.22, 18,658.46 and 5,046.98 is: 7,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,447.22 : 18,658.46 = 5,046.98 : x
  2. Step 2: Convert to fraction form
    12,447.22/18,658.46 = 5,046.98/x
  3. Step 3: Cross multiply
    12,447.22x = 18,658.46 × 5,046.98
  4. Step 4: Simplify right side
    12,447.22x = 94,168,874.45
  5. Step 5: Solve for x
    x = 94,168,874.45/12,447.22
  6. Step 6: Final answer
    x = 7,565.45

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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.