Home / 9,314.61-13,971.92-2,389.11

Finding the Fourth Proportional to 9,314.61, 13,971.92 and 2,389.11

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Solution

The fourth proportional to 9,314.61, 13,971.92 and 2,389.11 is: 3,583.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,314.61 : 13,971.92 = 2,389.11 : x
  2. Step 2: Convert to fraction form
    9,314.61/13,971.92 = 2,389.11/x
  3. Step 3: Cross multiply
    9,314.61x = 13,971.92 × 2,389.11
  4. Step 4: Simplify right side
    9,314.61x = 33,380,441.85
  5. Step 5: Solve for x
    x = 33,380,441.85/9,314.61
  6. Step 6: Final answer
    x = 3,583.67

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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.