Home / 11,609.50-17,417.22-3,818.38

Finding the Fourth Proportional to 11,609.50, 17,417.22 and 3,818.38

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Solution

The fourth proportional to 11,609.50, 17,417.22 and 3,818.38 is: 5,728.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,609.50 : 17,417.22 = 3,818.38 : x
  2. Step 2: Convert to fraction form
    11,609.50/17,417.22 = 3,818.38/x
  3. Step 3: Cross multiply
    11,609.50x = 17,417.22 × 3,818.38
  4. Step 4: Simplify right side
    11,609.50x = 66,505,564.50
  5. Step 5: Solve for x
    x = 66,505,564.50/11,609.50
  6. Step 6: Final answer
    x = 5,728.55

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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.