Home / 12,512.14-18,768.24-10,160.98

Finding the Fourth Proportional to 12,512.14, 18,768.24 and 10,160.98

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Solution

The fourth proportional to 12,512.14, 18,768.24 and 10,160.98 is: 15,241.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,512.14 : 18,768.24 = 10,160.98 : x
  2. Step 2: Convert to fraction form
    12,512.14/18,768.24 = 10,160.98/x
  3. Step 3: Cross multiply
    12,512.14x = 18,768.24 × 10,160.98
  4. Step 4: Simplify right side
    12,512.14x = 190,703,711.28
  5. Step 5: Solve for x
    x = 190,703,711.28/12,512.14
  6. Step 6: Final answer
    x = 15,241.49

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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.