Home / 12,530.56-18,797.39-4,096.87

Finding the Fourth Proportional to 12,530.56, 18,797.39 and 4,096.87

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Solution

The fourth proportional to 12,530.56, 18,797.39 and 4,096.87 is: 6,145.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.56 : 18,797.39 = 4,096.87 : x
  2. Step 2: Convert to fraction form
    12,530.56/18,797.39 = 4,096.87/x
  3. Step 3: Cross multiply
    12,530.56x = 18,797.39 × 4,096.87
  4. Step 4: Simplify right side
    12,530.56x = 77,010,463.17
  5. Step 5: Solve for x
    x = 77,010,463.17/12,530.56
  6. Step 6: Final answer
    x = 6,145.81

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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.