Home / 12,175.05-18,252.45-5,160.45

Finding the Fourth Proportional to 12,175.05, 18,252.45 and 5,160.45

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Solution

The fourth proportional to 12,175.05, 18,252.45 and 5,160.45 is: 7,736.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.05 : 18,252.45 = 5,160.45 : x
  2. Step 2: Convert to fraction form
    12,175.05/18,252.45 = 5,160.45/x
  3. Step 3: Cross multiply
    12,175.05x = 18,252.45 × 5,160.45
  4. Step 4: Simplify right side
    12,175.05x = 94,190,855.60
  5. Step 5: Solve for x
    x = 94,190,855.60/12,175.05
  6. Step 6: Final answer
    x = 7,736.38

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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.