Home / 11,387.80-17,083.76-5,150.74

Finding the Fourth Proportional to 11,387.80, 17,083.76 and 5,150.74

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Solution

The fourth proportional to 11,387.80, 17,083.76 and 5,150.74 is: 7,727.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387.80 : 17,083.76 = 5,150.74 : x
  2. Step 2: Convert to fraction form
    11,387.80/17,083.76 = 5,150.74/x
  3. Step 3: Cross multiply
    11,387.80x = 17,083.76 × 5,150.74
  4. Step 4: Simplify right side
    11,387.80x = 87,994,005.98
  5. Step 5: Solve for x
    x = 87,994,005.98/11,387.80
  6. Step 6: Final answer
    x = 7,727.04

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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.