Home / 13,668.96-20,506.19-4,311.35

Finding the Fourth Proportional to 13,668.96, 20,506.19 and 4,311.35

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Solution

The fourth proportional to 13,668.96, 20,506.19 and 4,311.35 is: 6,467.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,668.96 : 20,506.19 = 4,311.35 : x
  2. Step 2: Convert to fraction form
    13,668.96/20,506.19 = 4,311.35/x
  3. Step 3: Cross multiply
    13,668.96x = 20,506.19 × 4,311.35
  4. Step 4: Simplify right side
    13,668.96x = 88,409,238.17
  5. Step 5: Solve for x
    x = 88,409,238.17/13,668.96
  6. Step 6: Final answer
    x = 6,467.88

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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.