Home / 13,504.20-20,256.30-8,838.60

Finding the Fourth Proportional to 13,504.20, 20,256.30 and 8,838.60

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Solution

The fourth proportional to 13,504.20, 20,256.30 and 8,838.60 is: 13,257.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504.20 : 20,256.30 = 8,838.60 : x
  2. Step 2: Convert to fraction form
    13,504.20/20,256.30 = 8,838.60/x
  3. Step 3: Cross multiply
    13,504.20x = 20,256.30 × 8,838.60
  4. Step 4: Simplify right side
    13,504.20x = 179,037,333.18
  5. Step 5: Solve for x
    x = 179,037,333.18/13,504.20
  6. Step 6: Final answer
    x = 13,257.90

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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.