Home / 13,624.14-20,436.26-3,763.20

Finding the Fourth Proportional to 13,624.14, 20,436.26 and 3,763.20

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Solution

The fourth proportional to 13,624.14, 20,436.26 and 3,763.20 is: 5,644.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624.14 : 20,436.26 = 3,763.20 : x
  2. Step 2: Convert to fraction form
    13,624.14/20,436.26 = 3,763.20/x
  3. Step 3: Cross multiply
    13,624.14x = 20,436.26 × 3,763.20
  4. Step 4: Simplify right side
    13,624.14x = 76,905,733.63
  5. Step 5: Solve for x
    x = 76,905,733.63/13,624.14
  6. Step 6: Final answer
    x = 5,644.81

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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.