Home / 16,856.98-25,288.02-5,455.12

Finding the Fourth Proportional to 16,856.98, 25,288.02 and 5,455.12

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Solution

The fourth proportional to 16,856.98, 25,288.02 and 5,455.12 is: 8,183.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856.98 : 25,288.02 = 5,455.12 : x
  2. Step 2: Convert to fraction form
    16,856.98/25,288.02 = 5,455.12/x
  3. Step 3: Cross multiply
    16,856.98x = 25,288.02 × 5,455.12
  4. Step 4: Simplify right side
    16,856.98x = 137,949,183.66
  5. Step 5: Solve for x
    x = 137,949,183.66/16,856.98
  6. Step 6: Final answer
    x = 8,183.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.