Home / 13,758.72-20,630.34-4,396.56

Finding the Fourth Proportional to 13,758.72, 20,630.34 and 4,396.56

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Solution

The fourth proportional to 13,758.72, 20,630.34 and 4,396.56 is: 6,592.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,758.72 : 20,630.34 = 4,396.56 : x
  2. Step 2: Convert to fraction form
    13,758.72/20,630.34 = 4,396.56/x
  3. Step 3: Cross multiply
    13,758.72x = 20,630.34 × 4,396.56
  4. Step 4: Simplify right side
    13,758.72x = 90,702,527.63
  5. Step 5: Solve for x
    x = 90,702,527.63/13,758.72
  6. Step 6: Final answer
    x = 6,592.37

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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.