Home / 13,446.25-18,556.28-7,396.75

Finding the Fourth Proportional to 13,446.25, 18,556.28 and 7,396.75

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Solution

The fourth proportional to 13,446.25, 18,556.28 and 7,396.75 is: 10,207.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,446.25 : 18,556.28 = 7,396.75 : x
  2. Step 2: Convert to fraction form
    13,446.25/18,556.28 = 7,396.75/x
  3. Step 3: Cross multiply
    13,446.25x = 18,556.28 × 7,396.75
  4. Step 4: Simplify right side
    13,446.25x = 137,256,073.66
  5. Step 5: Solve for x
    x = 137,256,073.66/13,446.25
  6. Step 6: Final answer
    x = 10,207.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.