Home / 11,628.29-17,445.15-3,837.11

Finding the Fourth Proportional to 11,628.29, 17,445.15 and 3,837.11

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Solution

The fourth proportional to 11,628.29, 17,445.15 and 3,837.11 is: 5,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,628.29 : 17,445.15 = 3,837.11 : x
  2. Step 2: Convert to fraction form
    11,628.29/17,445.15 = 3,837.11/x
  3. Step 3: Cross multiply
    11,628.29x = 17,445.15 × 3,837.11
  4. Step 4: Simplify right side
    11,628.29x = 66,938,872.29
  5. Step 5: Solve for x
    x = 66,938,872.29/11,628.29
  6. Step 6: Final answer
    x = 5,756.55

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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.