Home / 11,395.12-17,100.28-4,380.94

Finding the Fourth Proportional to 11,395.12, 17,100.28 and 4,380.94

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Solution

The fourth proportional to 11,395.12, 17,100.28 and 4,380.94 is: 6,574.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,395.12 : 17,100.28 = 4,380.94 : x
  2. Step 2: Convert to fraction form
    11,395.12/17,100.28 = 4,380.94/x
  3. Step 3: Cross multiply
    11,395.12x = 17,100.28 × 4,380.94
  4. Step 4: Simplify right side
    11,395.12x = 74,915,300.66
  5. Step 5: Solve for x
    x = 74,915,300.66/11,395.12
  6. Step 6: Final answer
    x = 6,574.33

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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.