Home / 13,910.37-20,861.15-4,548.23

Finding the Fourth Proportional to 13,910.37, 20,861.15 and 4,548.23

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Solution

The fourth proportional to 13,910.37, 20,861.15 and 4,548.23 is: 6,820.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910.37 : 20,861.15 = 4,548.23 : x
  2. Step 2: Convert to fraction form
    13,910.37/20,861.15 = 4,548.23/x
  3. Step 3: Cross multiply
    13,910.37x = 20,861.15 × 4,548.23
  4. Step 4: Simplify right side
    13,910.37x = 94,881,229.56
  5. Step 5: Solve for x
    x = 94,881,229.56/13,910.37
  6. Step 6: Final answer
    x = 6,820.90

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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.