Home / 12,530.22-18,799.02-4,739.64

Finding the Fourth Proportional to 12,530.22, 18,799.02 and 4,739.64

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Solution

The fourth proportional to 12,530.22, 18,799.02 and 4,739.64 is: 7,110.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.22 : 18,799.02 = 4,739.64 : x
  2. Step 2: Convert to fraction form
    12,530.22/18,799.02 = 4,739.64/x
  3. Step 3: Cross multiply
    12,530.22x = 18,799.02 × 4,739.64
  4. Step 4: Simplify right side
    12,530.22x = 89,100,587.15
  5. Step 5: Solve for x
    x = 89,100,587.15/12,530.22
  6. Step 6: Final answer
    x = 7,110.86

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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.