Home / 12,150.66-18,235.89-6,308.94

Finding the Fourth Proportional to 12,150.66, 18,235.89 and 6,308.94

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Solution

The fourth proportional to 12,150.66, 18,235.89 and 6,308.94 is: 9,468.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,150.66 : 18,235.89 = 6,308.94 : x
  2. Step 2: Convert to fraction form
    12,150.66/18,235.89 = 6,308.94/x
  3. Step 3: Cross multiply
    12,150.66x = 18,235.89 × 6,308.94
  4. Step 4: Simplify right side
    12,150.66x = 115,049,135.86
  5. Step 5: Solve for x
    x = 115,049,135.86/12,150.66
  6. Step 6: Final answer
    x = 9,468.55

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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.