Home / 12,260.64-18,393.12-3,942.48

Finding the Fourth Proportional to 12,260.64, 18,393.12 and 3,942.48

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Solution

The fourth proportional to 12,260.64, 18,393.12 and 3,942.48 is: 5,914.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.64 : 18,393.12 = 3,942.48 : x
  2. Step 2: Convert to fraction form
    12,260.64/18,393.12 = 3,942.48/x
  3. Step 3: Cross multiply
    12,260.64x = 18,393.12 × 3,942.48
  4. Step 4: Simplify right side
    12,260.64x = 72,514,507.74
  5. Step 5: Solve for x
    x = 72,514,507.74/12,260.64
  6. Step 6: Final answer
    x = 5,914.41

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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.