Home / 18,015.05-24,859.73-10,057.78

Finding the Fourth Proportional to 18,015.05, 24,859.73 and 10,057.78

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Solution

The fourth proportional to 18,015.05, 24,859.73 and 10,057.78 is: 13,879.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015.05 : 24,859.73 = 10,057.78 : x
  2. Step 2: Convert to fraction form
    18,015.05/24,859.73 = 10,057.78/x
  3. Step 3: Cross multiply
    18,015.05x = 24,859.73 × 10,057.78
  4. Step 4: Simplify right side
    18,015.05x = 250,033,520.61
  5. Step 5: Solve for x
    x = 250,033,520.61/18,015.05
  6. Step 6: Final answer
    x = 13,879.15

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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.