Home / 11,703.92-16,151.32-6,398.75

Finding the Fourth Proportional to 11,703.92, 16,151.32 and 6,398.75

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Solution

The fourth proportional to 11,703.92, 16,151.32 and 6,398.75 is: 8,830.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.92 : 16,151.32 = 6,398.75 : x
  2. Step 2: Convert to fraction form
    11,703.92/16,151.32 = 6,398.75/x
  3. Step 3: Cross multiply
    11,703.92x = 16,151.32 × 6,398.75
  4. Step 4: Simplify right side
    11,703.92x = 103,348,258.85
  5. Step 5: Solve for x
    x = 103,348,258.85/11,703.92
  6. Step 6: Final answer
    x = 8,830.23

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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.