Home / 12,365.22-18,550.86-4,045.68

Finding the Fourth Proportional to 12,365.22, 18,550.86 and 4,045.68

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Solution

The fourth proportional to 12,365.22, 18,550.86 and 4,045.68 is: 6,069.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365.22 : 18,550.86 = 4,045.68 : x
  2. Step 2: Convert to fraction form
    12,365.22/18,550.86 = 4,045.68/x
  3. Step 3: Cross multiply
    12,365.22x = 18,550.86 × 4,045.68
  4. Step 4: Simplify right side
    12,365.22x = 75,050,843.28
  5. Step 5: Solve for x
    x = 75,050,843.28/12,365.22
  6. Step 6: Final answer
    x = 6,069.51

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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.