Home / 11,734.02-17,512.89-10,145.73

Finding the Fourth Proportional to 11,734.02, 17,512.89 and 10,145.73

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Solution

The fourth proportional to 11,734.02, 17,512.89 and 10,145.73 is: 15,142.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,734.02 : 17,512.89 = 10,145.73 : x
  2. Step 2: Convert to fraction form
    11,734.02/17,512.89 = 10,145.73/x
  3. Step 3: Cross multiply
    11,734.02x = 17,512.89 × 10,145.73
  4. Step 4: Simplify right side
    11,734.02x = 177,681,053.46
  5. Step 5: Solve for x
    x = 177,681,053.46/11,734.02
  6. Step 6: Final answer
    x = 15,142.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.