Home / 13,885.19-20,827.77-3,496.94

Finding the Fourth Proportional to 13,885.19, 20,827.77 and 3,496.94

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Solution

The fourth proportional to 13,885.19, 20,827.77 and 3,496.94 is: 5,245.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885.19 : 20,827.77 = 3,496.94 : x
  2. Step 2: Convert to fraction form
    13,885.19/20,827.77 = 3,496.94/x
  3. Step 3: Cross multiply
    13,885.19x = 20,827.77 × 3,496.94
  4. Step 4: Simplify right side
    13,885.19x = 72,833,500.98
  5. Step 5: Solve for x
    x = 72,833,500.98/13,885.19
  6. Step 6: Final answer
    x = 5,245.41

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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.