Home / 16,746.88-25,120.24-6,879.20

Finding the Fourth Proportional to 16,746.88, 25,120.24 and 6,879.20

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Solution

The fourth proportional to 16,746.88, 25,120.24 and 6,879.20 is: 10,318.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,746.88 : 25,120.24 = 6,879.20 : x
  2. Step 2: Convert to fraction form
    16,746.88/25,120.24 = 6,879.20/x
  3. Step 3: Cross multiply
    16,746.88x = 25,120.24 × 6,879.20
  4. Step 4: Simplify right side
    16,746.88x = 172,807,155.01
  5. Step 5: Solve for x
    x = 172,807,155.01/16,746.88
  6. Step 6: Final answer
    x = 10,318.77

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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.