Home / 14,380.50-21,570.76-3,992.26

Finding the Fourth Proportional to 14,380.50, 21,570.76 and 3,992.26

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Solution

The fourth proportional to 14,380.50, 21,570.76 and 3,992.26 is: 5,988.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,380.50 : 21,570.76 = 3,992.26 : x
  2. Step 2: Convert to fraction form
    14,380.50/21,570.76 = 3,992.26/x
  3. Step 3: Cross multiply
    14,380.50x = 21,570.76 × 3,992.26
  4. Step 4: Simplify right side
    14,380.50x = 86,116,082.32
  5. Step 5: Solve for x
    x = 86,116,082.32/14,380.50
  6. Step 6: Final answer
    x = 5,988.39

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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.