Home / 18,183.02-25,107.63-11,479.82

Finding the Fourth Proportional to 18,183.02, 25,107.63 and 11,479.82

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Solution

The fourth proportional to 18,183.02, 25,107.63 and 11,479.82 is: 15,851.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,183.02 : 25,107.63 = 11,479.82 : x
  2. Step 2: Convert to fraction form
    18,183.02/25,107.63 = 11,479.82/x
  3. Step 3: Cross multiply
    18,183.02x = 25,107.63 × 11,479.82
  4. Step 4: Simplify right side
    18,183.02x = 288,231,073.03
  5. Step 5: Solve for x
    x = 288,231,073.03/18,183.02
  6. Step 6: Final answer
    x = 15,851.66

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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.