Home / 13,149.99-19,725.17-7,343.55

Finding the Fourth Proportional to 13,149.99, 19,725.17 and 7,343.55

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Solution

The fourth proportional to 13,149.99, 19,725.17 and 7,343.55 is: 11,015.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149.99 : 19,725.17 = 7,343.55 : x
  2. Step 2: Convert to fraction form
    13,149.99/19,725.17 = 7,343.55/x
  3. Step 3: Cross multiply
    13,149.99x = 19,725.17 × 7,343.55
  4. Step 4: Simplify right side
    13,149.99x = 144,852,735.44
  5. Step 5: Solve for x
    x = 144,852,735.44/13,149.99
  6. Step 6: Final answer
    x = 11,015.43

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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.