Home / 13,503.88-20,251.98-5,183.32

Finding the Fourth Proportional to 13,503.88, 20,251.98 and 5,183.32

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Solution

The fourth proportional to 13,503.88, 20,251.98 and 5,183.32 is: 7,773.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,503.88 : 20,251.98 = 5,183.32 : x
  2. Step 2: Convert to fraction form
    13,503.88/20,251.98 = 5,183.32/x
  3. Step 3: Cross multiply
    13,503.88x = 20,251.98 × 5,183.32
  4. Step 4: Simplify right side
    13,503.88x = 104,972,492.97
  5. Step 5: Solve for x
    x = 104,972,492.97/13,503.88
  6. Step 6: Final answer
    x = 7,773.51

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1.5x scale

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.