Home / 14,154.03-21,234.42-13,918.95

Finding the Fourth Proportional to 14,154.03, 21,234.42 and 13,918.95

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Solution

The fourth proportional to 14,154.03, 21,234.42 and 13,918.95 is: 20,881.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.03 : 21,234.42 = 13,918.95 : x
  2. Step 2: Convert to fraction form
    14,154.03/21,234.42 = 13,918.95/x
  3. Step 3: Cross multiply
    14,154.03x = 21,234.42 × 13,918.95
  4. Step 4: Simplify right side
    14,154.03x = 295,560,830.26
  5. Step 5: Solve for x
    x = 295,560,830.26/14,154.03
  6. Step 6: Final answer
    x = 20,881.74

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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.