Home / 14,658.21-21,981.87-6,339.42

Finding the Fourth Proportional to 14,658.21, 21,981.87 and 6,339.42

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Solution

The fourth proportional to 14,658.21, 21,981.87 and 6,339.42 is: 9,506.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658.21 : 21,981.87 = 6,339.42 : x
  2. Step 2: Convert to fraction form
    14,658.21/21,981.87 = 6,339.42/x
  3. Step 3: Cross multiply
    14,658.21x = 21,981.87 × 6,339.42
  4. Step 4: Simplify right side
    14,658.21x = 139,352,306.32
  5. Step 5: Solve for x
    x = 139,352,306.32/14,658.21
  6. Step 6: Final answer
    x = 9,506.78

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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.