Home / 10,401.56-15,605.07-3,738.73

Finding the Fourth Proportional to 10,401.56, 15,605.07 and 3,738.73

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Solution

The fourth proportional to 10,401.56, 15,605.07 and 3,738.73 is: 5,609.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,401.56 : 15,605.07 = 3,738.73 : x
  2. Step 2: Convert to fraction form
    10,401.56/15,605.07 = 3,738.73/x
  3. Step 3: Cross multiply
    10,401.56x = 15,605.07 × 3,738.73
  4. Step 4: Simplify right side
    10,401.56x = 58,343,143.36
  5. Step 5: Solve for x
    x = 58,343,143.36/10,401.56
  6. Step 6: Final answer
    x = 5,609.08

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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.