Home / 13,704.24-20,548.51-4,214.09

Finding the Fourth Proportional to 13,704.24, 20,548.51 and 4,214.09

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Solution

The fourth proportional to 13,704.24, 20,548.51 and 4,214.09 is: 6,318.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,704.24 : 20,548.51 = 4,214.09 : x
  2. Step 2: Convert to fraction form
    13,704.24/20,548.51 = 4,214.09/x
  3. Step 3: Cross multiply
    13,704.24x = 20,548.51 × 4,214.09
  4. Step 4: Simplify right side
    13,704.24x = 86,593,311.34
  5. Step 5: Solve for x
    x = 86,593,311.34/13,704.24
  6. Step 6: Final answer
    x = 6,318.72

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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.