Home / 12,740.44-19,091.17-5,340.86

Finding the Fourth Proportional to 12,740.44, 19,091.17 and 5,340.86

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Solution

The fourth proportional to 12,740.44, 19,091.17 and 5,340.86 is: 8,003.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,740.44 : 19,091.17 = 5,340.86 : x
  2. Step 2: Convert to fraction form
    12,740.44/19,091.17 = 5,340.86/x
  3. Step 3: Cross multiply
    12,740.44x = 19,091.17 × 5,340.86
  4. Step 4: Simplify right side
    12,740.44x = 101,963,287.69
  5. Step 5: Solve for x
    x = 101,963,287.69/12,740.44
  6. Step 6: Final answer
    x = 8,003.12

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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.