Home / 11,406.80-17,108.90-3,086.33

Finding the Fourth Proportional to 11,406.80, 17,108.90 and 3,086.33

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Solution

The fourth proportional to 11,406.80, 17,108.90 and 3,086.33 is: 4,629.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,406.80 : 17,108.90 = 3,086.33 : x
  2. Step 2: Convert to fraction form
    11,406.80/17,108.90 = 3,086.33/x
  3. Step 3: Cross multiply
    11,406.80x = 17,108.90 × 3,086.33
  4. Step 4: Simplify right side
    11,406.80x = 52,803,621.93
  5. Step 5: Solve for x
    x = 52,803,621.93/11,406.80
  6. Step 6: Final answer
    x = 4,629.13

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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.