Home / 12,434.43-18,651.70-5,039.03

Finding the Fourth Proportional to 12,434.43, 18,651.70 and 5,039.03

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Solution

The fourth proportional to 12,434.43, 18,651.70 and 5,039.03 is: 7,558.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.43 : 18,651.70 = 5,039.03 : x
  2. Step 2: Convert to fraction form
    12,434.43/18,651.70 = 5,039.03/x
  3. Step 3: Cross multiply
    12,434.43x = 18,651.70 × 5,039.03
  4. Step 4: Simplify right side
    12,434.43x = 93,986,475.85
  5. Step 5: Solve for x
    x = 93,986,475.85/12,434.43
  6. Step 6: Final answer
    x = 7,558.57

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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.