Home / 15,019.23-22,542.97-7,629

Finding the Fourth Proportional to 15,019.23, 22,542.97 and 7,629

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Solution

The fourth proportional to 15,019.23, 22,542.97 and 7,629 is: 11,450.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019.23 : 22,542.97 = 7,629 : x
  2. Step 2: Convert to fraction form
    15,019.23/22,542.97 = 7,629/x
  3. Step 3: Cross multiply
    15,019.23x = 22,542.97 × 7,629
  4. Step 4: Simplify right side
    15,019.23x = 171,980,318.13
  5. Step 5: Solve for x
    x = 171,980,318.13/15,019.23
  6. Step 6: Final answer
    x = 11,450.67

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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.