Home / 14,380.37-21,572.33-5,621.43

Finding the Fourth Proportional to 14,380.37, 21,572.33 and 5,621.43

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Solution

The fourth proportional to 14,380.37, 21,572.33 and 5,621.43 is: 8,432.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,380.37 : 21,572.33 = 5,621.43 : x
  2. Step 2: Convert to fraction form
    14,380.37/21,572.33 = 5,621.43/x
  3. Step 3: Cross multiply
    14,380.37x = 21,572.33 × 5,621.43
  4. Step 4: Simplify right side
    14,380.37x = 121,267,314.92
  5. Step 5: Solve for x
    x = 121,267,314.92/14,380.37
  6. Step 6: Final answer
    x = 8,432.84

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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.