Home / 18,310.93-27,466.40-5,161.59

Finding the Fourth Proportional to 18,310.93, 27,466.40 and 5,161.59

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Solution

The fourth proportional to 18,310.93, 27,466.40 and 5,161.59 is: 7,742.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,310.93 : 27,466.40 = 5,161.59 : x
  2. Step 2: Convert to fraction form
    18,310.93/27,466.40 = 5,161.59/x
  3. Step 3: Cross multiply
    18,310.93x = 27,466.40 × 5,161.59
  4. Step 4: Simplify right side
    18,310.93x = 141,770,308.48
  5. Step 5: Solve for x
    x = 141,770,308.48/18,310.93
  6. Step 6: Final answer
    x = 7,742.39

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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.