Home / 13,568.46-20,355.61-4,208.29

Finding the Fourth Proportional to 13,568.46, 20,355.61 and 4,208.29

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Solution

The fourth proportional to 13,568.46, 20,355.61 and 4,208.29 is: 6,313.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.46 : 20,355.61 = 4,208.29 : x
  2. Step 2: Convert to fraction form
    13,568.46/20,355.61 = 4,208.29/x
  3. Step 3: Cross multiply
    13,568.46x = 20,355.61 × 4,208.29
  4. Step 4: Simplify right side
    13,568.46x = 85,662,248.60
  5. Step 5: Solve for x
    x = 85,662,248.60/13,568.46
  6. Step 6: Final answer
    x = 6,313.34

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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.