Home / 17,946.39-24,765.81-9,879.87

Finding the Fourth Proportional to 17,946.39, 24,765.81 and 9,879.87

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Solution

The fourth proportional to 17,946.39, 24,765.81 and 9,879.87 is: 13,634.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,946.39 : 24,765.81 = 9,879.87 : x
  2. Step 2: Convert to fraction form
    17,946.39/24,765.81 = 9,879.87/x
  3. Step 3: Cross multiply
    17,946.39x = 24,765.81 × 9,879.87
  4. Step 4: Simplify right side
    17,946.39x = 244,682,983.24
  5. Step 5: Solve for x
    x = 244,682,983.24/17,946.39
  6. Step 6: Final answer
    x = 13,634.11

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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.