Home / 13,445.94-20,167.35-3,586.02

Finding the Fourth Proportional to 13,445.94, 20,167.35 and 3,586.02

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Solution

The fourth proportional to 13,445.94, 20,167.35 and 3,586.02 is: 5,378.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,445.94 : 20,167.35 = 3,586.02 : x
  2. Step 2: Convert to fraction form
    13,445.94/20,167.35 = 3,586.02/x
  3. Step 3: Cross multiply
    13,445.94x = 20,167.35 × 3,586.02
  4. Step 4: Simplify right side
    13,445.94x = 72,320,520.45
  5. Step 5: Solve for x
    x = 72,320,520.45/13,445.94
  6. Step 6: Final answer
    x = 5,378.61

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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.