Home / 13,850.28-20,669.44-12,372.84

Finding the Fourth Proportional to 13,850.28, 20,669.44 and 12,372.84

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Solution

The fourth proportional to 13,850.28, 20,669.44 and 12,372.84 is: 18,464.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.28 : 20,669.44 = 12,372.84 : x
  2. Step 2: Convert to fraction form
    13,850.28/20,669.44 = 12,372.84/x
  3. Step 3: Cross multiply
    13,850.28x = 20,669.44 × 12,372.84
  4. Step 4: Simplify right side
    13,850.28x = 255,739,674.01
  5. Step 5: Solve for x
    x = 255,739,674.01/13,850.28
  6. Step 6: Final answer
    x = 18,464.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.