Home / 11,698.25-16,143.60-6,393.07

Finding the Fourth Proportional to 11,698.25, 16,143.60 and 6,393.07

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Solution

The fourth proportional to 11,698.25, 16,143.60 and 6,393.07 is: 8,822.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,698.25 : 16,143.60 = 6,393.07 : x
  2. Step 2: Convert to fraction form
    11,698.25/16,143.60 = 6,393.07/x
  3. Step 3: Cross multiply
    11,698.25x = 16,143.60 × 6,393.07
  4. Step 4: Simplify right side
    11,698.25x = 103,207,148.87
  5. Step 5: Solve for x
    x = 103,207,148.87/11,698.25
  6. Step 6: Final answer
    x = 8,822.44

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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.