Home / 13,623.56-20,436.52-3,762.85

Finding the Fourth Proportional to 13,623.56, 20,436.52 and 3,762.85

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Solution

The fourth proportional to 13,623.56, 20,436.52 and 3,762.85 is: 5,644.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623.56 : 20,436.52 = 3,762.85 : x
  2. Step 2: Convert to fraction form
    13,623.56/20,436.52 = 3,762.85/x
  3. Step 3: Cross multiply
    13,623.56x = 20,436.52 × 3,762.85
  4. Step 4: Simplify right side
    13,623.56x = 76,899,457.10
  5. Step 5: Solve for x
    x = 76,899,457.10/13,623.56
  6. Step 6: Final answer
    x = 5,644.59

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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.