Home / 13,803.24-20,705.58-3,941.76

Finding the Fourth Proportional to 13,803.24, 20,705.58 and 3,941.76

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Solution

The fourth proportional to 13,803.24, 20,705.58 and 3,941.76 is: 5,912.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,803.24 : 20,705.58 = 3,941.76 : x
  2. Step 2: Convert to fraction form
    13,803.24/20,705.58 = 3,941.76/x
  3. Step 3: Cross multiply
    13,803.24x = 20,705.58 × 3,941.76
  4. Step 4: Simplify right side
    13,803.24x = 81,616,427.02
  5. Step 5: Solve for x
    x = 81,616,427.02/13,803.24
  6. Step 6: Final answer
    x = 5,912.85

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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.