Home / 14,356.88-21,522.55-5,589.75

Finding the Fourth Proportional to 14,356.88, 21,522.55 and 5,589.75

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Solution

The fourth proportional to 14,356.88, 21,522.55 and 5,589.75 is: 8,379.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,356.88 : 21,522.55 = 5,589.75 : x
  2. Step 2: Convert to fraction form
    14,356.88/21,522.55 = 5,589.75/x
  3. Step 3: Cross multiply
    14,356.88x = 21,522.55 × 5,589.75
  4. Step 4: Simplify right side
    14,356.88x = 120,305,673.86
  5. Step 5: Solve for x
    x = 120,305,673.86/14,356.88
  6. Step 6: Final answer
    x = 8,379.65

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1.5x scale

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.