Home / 11,602.90-17,403.81-3,811.78

Finding the Fourth Proportional to 11,602.90, 17,403.81 and 3,811.78

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Solution

The fourth proportional to 11,602.90, 17,403.81 and 3,811.78 is: 5,717.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,602.90 : 17,403.81 = 3,811.78 : x
  2. Step 2: Convert to fraction form
    11,602.90/17,403.81 = 3,811.78/x
  3. Step 3: Cross multiply
    11,602.90x = 17,403.81 × 3,811.78
  4. Step 4: Simplify right side
    11,602.90x = 66,339,494.88
  5. Step 5: Solve for x
    x = 66,339,494.88/11,602.90
  6. Step 6: Final answer
    x = 5,717.49

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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.