Home / 13,621.32-20,435.27-4,735.37

Finding the Fourth Proportional to 13,621.32, 20,435.27 and 4,735.37

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Solution

The fourth proportional to 13,621.32, 20,435.27 and 4,735.37 is: 7,104.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,621.32 : 20,435.27 = 4,735.37 : x
  2. Step 2: Convert to fraction form
    13,621.32/20,435.27 = 4,735.37/x
  3. Step 3: Cross multiply
    13,621.32x = 20,435.27 × 4,735.37
  4. Step 4: Simplify right side
    13,621.32x = 96,768,474.16
  5. Step 5: Solve for x
    x = 96,768,474.16/13,621.32
  6. Step 6: Final answer
    x = 7,104.19

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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.