Home / 9,792.86-13,514.11-5,316.58

Finding the Fourth Proportional to 9,792.86, 13,514.11 and 5,316.58

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Solution

The fourth proportional to 9,792.86, 13,514.11 and 5,316.58 is: 7,336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,792.86 : 13,514.11 = 5,316.58 : x
  2. Step 2: Convert to fraction form
    9,792.86/13,514.11 = 5,316.58/x
  3. Step 3: Cross multiply
    9,792.86x = 13,514.11 × 5,316.58
  4. Step 4: Simplify right side
    9,792.86x = 71,848,799.87
  5. Step 5: Solve for x
    x = 71,848,799.87/9,792.86
  6. Step 6: Final answer
    x = 7,336.85

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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.