Home / 13,334.99-20,003.64-3,474.28

Finding the Fourth Proportional to 13,334.99, 20,003.64 and 3,474.28

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Solution

The fourth proportional to 13,334.99, 20,003.64 and 3,474.28 is: 5,211.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.99 : 20,003.64 = 3,474.28 : x
  2. Step 2: Convert to fraction form
    13,334.99/20,003.64 = 3,474.28/x
  3. Step 3: Cross multiply
    13,334.99x = 20,003.64 × 3,474.28
  4. Step 4: Simplify right side
    13,334.99x = 69,498,246.38
  5. Step 5: Solve for x
    x = 69,498,246.38/13,334.99
  6. Step 6: Final answer
    x = 5,211.72

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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.