Home / 13,942.13-20,908.77-4,579.98

Finding the Fourth Proportional to 13,942.13, 20,908.77 and 4,579.98

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Solution

The fourth proportional to 13,942.13, 20,908.77 and 4,579.98 is: 6,868.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.13 : 20,908.77 = 4,579.98 : x
  2. Step 2: Convert to fraction form
    13,942.13/20,908.77 = 4,579.98/x
  3. Step 3: Cross multiply
    13,942.13x = 20,908.77 × 4,579.98
  4. Step 4: Simplify right side
    13,942.13x = 95,761,652.84
  5. Step 5: Solve for x
    x = 95,761,652.84/13,942.13
  6. Step 6: Final answer
    x = 6,868.51

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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.