Home / 14,194.37-21,269.68-8,989.31

Finding the Fourth Proportional to 14,194.37, 21,269.68 and 8,989.31

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Solution

The fourth proportional to 14,194.37, 21,269.68 and 8,989.31 is: 13,470.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,194.37 : 21,269.68 = 8,989.31 : x
  2. Step 2: Convert to fraction form
    14,194.37/21,269.68 = 8,989.31/x
  3. Step 3: Cross multiply
    14,194.37x = 21,269.68 × 8,989.31
  4. Step 4: Simplify right side
    14,194.37x = 191,199,777.82
  5. Step 5: Solve for x
    x = 191,199,777.82/14,194.37
  6. Step 6: Final answer
    x = 13,470.11

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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.