Home / 13,560.87-20,334.02-4,196.87

Finding the Fourth Proportional to 13,560.87, 20,334.02 and 4,196.87

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Solution

The fourth proportional to 13,560.87, 20,334.02 and 4,196.87 is: 6,293.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560.87 : 20,334.02 = 4,196.87 : x
  2. Step 2: Convert to fraction form
    13,560.87/20,334.02 = 4,196.87/x
  3. Step 3: Cross multiply
    13,560.87x = 20,334.02 × 4,196.87
  4. Step 4: Simplify right side
    13,560.87x = 85,339,115.86
  5. Step 5: Solve for x
    x = 85,339,115.86/13,560.87
  6. Step 6: Final answer
    x = 6,293.04

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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.