Home / 13,725.55-20,588.32-3,337.21

Finding the Fourth Proportional to 13,725.55, 20,588.32 and 3,337.21

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Solution

The fourth proportional to 13,725.55, 20,588.32 and 3,337.21 is: 5,005.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.55 : 20,588.32 = 3,337.21 : x
  2. Step 2: Convert to fraction form
    13,725.55/20,588.32 = 3,337.21/x
  3. Step 3: Cross multiply
    13,725.55x = 20,588.32 × 3,337.21
  4. Step 4: Simplify right side
    13,725.55x = 68,707,444.45
  5. Step 5: Solve for x
    x = 68,707,444.45/13,725.55
  6. Step 6: Final answer
    x = 5,005.81

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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.