Home / 12,107.60-18,162.44-3,342.51

Finding the Fourth Proportional to 12,107.60, 18,162.44 and 3,342.51

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Solution

The fourth proportional to 12,107.60, 18,162.44 and 3,342.51 is: 5,014.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,107.60 : 18,162.44 = 3,342.51 : x
  2. Step 2: Convert to fraction form
    12,107.60/18,162.44 = 3,342.51/x
  3. Step 3: Cross multiply
    12,107.60x = 18,162.44 × 3,342.51
  4. Step 4: Simplify right side
    12,107.60x = 60,708,137.32
  5. Step 5: Solve for x
    x = 60,708,137.32/12,107.60
  6. Step 6: Final answer
    x = 5,014.05

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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.