Home / 11,126.46-15,355.26-6,411.05

Finding the Fourth Proportional to 11,126.46, 15,355.26 and 6,411.05

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Solution

The fourth proportional to 11,126.46, 15,355.26 and 6,411.05 is: 8,847.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.46 : 15,355.26 = 6,411.05 : x
  2. Step 2: Convert to fraction form
    11,126.46/15,355.26 = 6,411.05/x
  3. Step 3: Cross multiply
    11,126.46x = 15,355.26 × 6,411.05
  4. Step 4: Simplify right side
    11,126.46x = 98,443,230.79
  5. Step 5: Solve for x
    x = 98,443,230.79/11,126.46
  6. Step 6: Final answer
    x = 8,847.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.