Home / 12,351.81-18,530.66-4,031.84

Finding the Fourth Proportional to 12,351.81, 18,530.66 and 4,031.84

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Solution

The fourth proportional to 12,351.81, 18,530.66 and 4,031.84 is: 6,048.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.81 : 18,530.66 = 4,031.84 : x
  2. Step 2: Convert to fraction form
    12,351.81/18,530.66 = 4,031.84/x
  3. Step 3: Cross multiply
    12,351.81x = 18,530.66 × 4,031.84
  4. Step 4: Simplify right side
    12,351.81x = 74,712,563.56
  5. Step 5: Solve for x
    x = 74,712,563.56/12,351.81
  6. Step 6: Final answer
    x = 6,048.71

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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.