Home / 17,979.87-24,811.19-10,021.82

Finding the Fourth Proportional to 17,979.87, 24,811.19 and 10,021.82

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Solution

The fourth proportional to 17,979.87, 24,811.19 and 10,021.82 is: 13,829.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979.87 : 24,811.19 = 10,021.82 : x
  2. Step 2: Convert to fraction form
    17,979.87/24,811.19 = 10,021.82/x
  3. Step 3: Cross multiply
    17,979.87x = 24,811.19 × 10,021.82
  4. Step 4: Simplify right side
    17,979.87x = 248,653,280.17
  5. Step 5: Solve for x
    x = 248,653,280.17/17,979.87
  6. Step 6: Final answer
    x = 13,829.54

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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.