Home / 19,975.17-29,954.97-7,488.39

Finding the Fourth Proportional to 19,975.17, 29,954.97 and 7,488.39

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Solution

The fourth proportional to 19,975.17, 29,954.97 and 7,488.39 is: 11,229.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,975.17 : 29,954.97 = 7,488.39 : x
  2. Step 2: Convert to fraction form
    19,975.17/29,954.97 = 7,488.39/x
  3. Step 3: Cross multiply
    19,975.17x = 29,954.97 × 7,488.39
  4. Step 4: Simplify right side
    19,975.17x = 224,314,546.94
  5. Step 5: Solve for x
    x = 224,314,546.94/19,975.17
  6. Step 6: Final answer
    x = 11,229.67

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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.