Home / 14,434.89-21,677.04-8,920.95

Finding the Fourth Proportional to 14,434.89, 21,677.04 and 8,920.95

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Solution

The fourth proportional to 14,434.89, 21,677.04 and 8,920.95 is: 13,396.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,434.89 : 21,677.04 = 8,920.95 : x
  2. Step 2: Convert to fraction form
    14,434.89/21,677.04 = 8,920.95/x
  3. Step 3: Cross multiply
    14,434.89x = 21,677.04 × 8,920.95
  4. Step 4: Simplify right side
    14,434.89x = 193,379,789.99
  5. Step 5: Solve for x
    x = 193,379,789.99/14,434.89
  6. Step 6: Final answer
    x = 13,396.69

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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.