Home / 16,219.53-22,381.38-10,249.02

Finding the Fourth Proportional to 16,219.53, 22,381.38 and 10,249.02

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Solution

The fourth proportional to 16,219.53, 22,381.38 and 10,249.02 is: 14,142.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,219.53 : 22,381.38 = 10,249.02 : x
  2. Step 2: Convert to fraction form
    16,219.53/22,381.38 = 10,249.02/x
  3. Step 3: Cross multiply
    16,219.53x = 22,381.38 × 10,249.02
  4. Step 4: Simplify right side
    16,219.53x = 229,387,211.25
  5. Step 5: Solve for x
    x = 229,387,211.25/16,219.53
  6. Step 6: Final answer
    x = 14,142.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.