Home / 14,354.34-21,536.04-9,121.98

Finding the Fourth Proportional to 14,354.34, 21,536.04 and 9,121.98

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Solution

The fourth proportional to 14,354.34, 21,536.04 and 9,121.98 is: 13,685.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,354.34 : 21,536.04 = 9,121.98 : x
  2. Step 2: Convert to fraction form
    14,354.34/21,536.04 = 9,121.98/x
  3. Step 3: Cross multiply
    14,354.34x = 21,536.04 × 9,121.98
  4. Step 4: Simplify right side
    14,354.34x = 196,451,326.16
  5. Step 5: Solve for x
    x = 196,451,326.16/14,354.34
  6. Step 6: Final answer
    x = 13,685.85

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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.