Home / 13,223.70-19,836.03-4,458.69

Finding the Fourth Proportional to 13,223.70, 19,836.03 and 4,458.69

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Solution

The fourth proportional to 13,223.70, 19,836.03 and 4,458.69 is: 6,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.70 : 19,836.03 = 4,458.69 : x
  2. Step 2: Convert to fraction form
    13,223.70/19,836.03 = 4,458.69/x
  3. Step 3: Cross multiply
    13,223.70x = 19,836.03 × 4,458.69
  4. Step 4: Simplify right side
    13,223.70x = 88,442,708.60
  5. Step 5: Solve for x
    x = 88,442,708.60/13,223.70
  6. Step 6: Final answer
    x = 6,688.20

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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.