Home / 17,919.68-24,728.52-9,962.24

Finding the Fourth Proportional to 17,919.68, 24,728.52 and 9,962.24

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Solution

The fourth proportional to 17,919.68, 24,728.52 and 9,962.24 is: 13,747.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,919.68 : 24,728.52 = 9,962.24 : x
  2. Step 2: Convert to fraction form
    17,919.68/24,728.52 = 9,962.24/x
  3. Step 3: Cross multiply
    17,919.68x = 24,728.52 × 9,962.24
  4. Step 4: Simplify right side
    17,919.68x = 246,351,451.08
  5. Step 5: Solve for x
    x = 246,351,451.08/17,919.68
  6. Step 6: Final answer
    x = 13,747.54

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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.