Home / 17,621.58-24,318.90-11,642.79

Finding the Fourth Proportional to 17,621.58, 24,318.90 and 11,642.79

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Solution

The fourth proportional to 17,621.58, 24,318.90 and 11,642.79 is: 16,067.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,621.58 : 24,318.90 = 11,642.79 : x
  2. Step 2: Convert to fraction form
    17,621.58/24,318.90 = 11,642.79/x
  3. Step 3: Cross multiply
    17,621.58x = 24,318.90 × 11,642.79
  4. Step 4: Simplify right side
    17,621.58x = 283,139,845.73
  5. Step 5: Solve for x
    x = 283,139,845.73/17,621.58
  6. Step 6: Final answer
    x = 16,067.79

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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.