Home / 15,410.14-21,265.97-8,336.55

Finding the Fourth Proportional to 15,410.14, 21,265.97 and 8,336.55

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Solution

The fourth proportional to 15,410.14, 21,265.97 and 8,336.55 is: 11,504.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,410.14 : 21,265.97 = 8,336.55 : x
  2. Step 2: Convert to fraction form
    15,410.14/21,265.97 = 8,336.55/x
  3. Step 3: Cross multiply
    15,410.14x = 21,265.97 × 8,336.55
  4. Step 4: Simplify right side
    15,410.14x = 177,284,822.20
  5. Step 5: Solve for x
    x = 177,284,822.20/15,410.14
  6. Step 6: Final answer
    x = 11,504.43

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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.