Home / 12,260.39-18,393.66-3,495.31

Finding the Fourth Proportional to 12,260.39, 18,393.66 and 3,495.31

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Solution

The fourth proportional to 12,260.39, 18,393.66 and 3,495.31 is: 5,243.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.39 : 18,393.66 = 3,495.31 : x
  2. Step 2: Convert to fraction form
    12,260.39/18,393.66 = 3,495.31/x
  3. Step 3: Cross multiply
    12,260.39x = 18,393.66 × 3,495.31
  4. Step 4: Simplify right side
    12,260.39x = 64,291,497.75
  5. Step 5: Solve for x
    x = 64,291,497.75/12,260.39
  6. Step 6: Final answer
    x = 5,243.84

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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.