Home / 12,580.44-18,873.45-4,259.76

Finding the Fourth Proportional to 12,580.44, 18,873.45 and 4,259.76

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Solution

The fourth proportional to 12,580.44, 18,873.45 and 4,259.76 is: 6,390.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,580.44 : 18,873.45 = 4,259.76 : x
  2. Step 2: Convert to fraction form
    12,580.44/18,873.45 = 4,259.76/x
  3. Step 3: Cross multiply
    12,580.44x = 18,873.45 × 4,259.76
  4. Step 4: Simplify right side
    12,580.44x = 80,396,367.37
  5. Step 5: Solve for x
    x = 80,396,367.37/12,580.44
  6. Step 6: Final answer
    x = 6,390.58

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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.