Home / 13,014.35-17,954.97-8,540.59

Finding the Fourth Proportional to 13,014.35, 17,954.97 and 8,540.59

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Solution

The fourth proportional to 13,014.35, 17,954.97 and 8,540.59 is: 11,782.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,014.35 : 17,954.97 = 8,540.59 : x
  2. Step 2: Convert to fraction form
    13,014.35/17,954.97 = 8,540.59/x
  3. Step 3: Cross multiply
    13,014.35x = 17,954.97 × 8,540.59
  4. Step 4: Simplify right side
    13,014.35x = 153,346,037.23
  5. Step 5: Solve for x
    x = 153,346,037.23/13,014.35
  6. Step 6: Final answer
    x = 11,782.84

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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.