Home / 12,150.64-18,184.79-7,473.62

Finding the Fourth Proportional to 12,150.64, 18,184.79 and 7,473.62

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Solution

The fourth proportional to 12,150.64, 18,184.79 and 7,473.62 is: 11,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,150.64 : 18,184.79 = 7,473.62 : x
  2. Step 2: Convert to fraction form
    12,150.64/18,184.79 = 7,473.62/x
  3. Step 3: Cross multiply
    12,150.64x = 18,184.79 × 7,473.62
  4. Step 4: Simplify right side
    12,150.64x = 135,906,138.00
  5. Step 5: Solve for x
    x = 135,906,138.00/12,150.64
  6. Step 6: Final answer
    x = 11,185.10

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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.