Home / 12,658.41-18,982.15-4,339.24

Finding the Fourth Proportional to 12,658.41, 18,982.15 and 4,339.24

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Solution

The fourth proportional to 12,658.41, 18,982.15 and 4,339.24 is: 6,506.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,658.41 : 18,982.15 = 4,339.24 : x
  2. Step 2: Convert to fraction form
    12,658.41/18,982.15 = 4,339.24/x
  3. Step 3: Cross multiply
    12,658.41x = 18,982.15 × 4,339.24
  4. Step 4: Simplify right side
    12,658.41x = 82,368,046.26
  5. Step 5: Solve for x
    x = 82,368,046.26/12,658.41
  6. Step 6: Final answer
    x = 6,506.98

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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.