Home / 11,703.39-16,150.28-6,398.43

Finding the Fourth Proportional to 11,703.39, 16,150.28 and 6,398.43

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Solution

The fourth proportional to 11,703.39, 16,150.28 and 6,398.43 is: 8,829.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.39 : 16,150.28 = 6,398.43 : x
  2. Step 2: Convert to fraction form
    11,703.39/16,150.28 = 6,398.43/x
  3. Step 3: Cross multiply
    11,703.39x = 16,150.28 × 6,398.43
  4. Step 4: Simplify right side
    11,703.39x = 103,336,404.07
  5. Step 5: Solve for x
    x = 103,336,404.07/11,703.39
  6. Step 6: Final answer
    x = 8,829.61

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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.