Home / 13,000.97-19,512.39-5,611.04

Finding the Fourth Proportional to 13,000.97, 19,512.39 and 5,611.04

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Solution

The fourth proportional to 13,000.97, 19,512.39 and 5,611.04 is: 8,421.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000.97 : 19,512.39 = 5,611.04 : x
  2. Step 2: Convert to fraction form
    13,000.97/19,512.39 = 5,611.04/x
  3. Step 3: Cross multiply
    13,000.97x = 19,512.39 × 5,611.04
  4. Step 4: Simplify right side
    13,000.97x = 109,484,797.44
  5. Step 5: Solve for x
    x = 109,484,797.44/13,000.97
  6. Step 6: Final answer
    x = 8,421.28

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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.