Home / 13,701.32-20,551.91-3,313.07

Finding the Fourth Proportional to 13,701.32, 20,551.91 and 3,313.07

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Solution

The fourth proportional to 13,701.32, 20,551.91 and 3,313.07 is: 4,969.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701.32 : 20,551.91 = 3,313.07 : x
  2. Step 2: Convert to fraction form
    13,701.32/20,551.91 = 3,313.07/x
  3. Step 3: Cross multiply
    13,701.32x = 20,551.91 × 3,313.07
  4. Step 4: Simplify right side
    13,701.32x = 68,089,797.14
  5. Step 5: Solve for x
    x = 68,089,797.14/13,701.32
  6. Step 6: Final answer
    x = 4,969.58

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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.