Home / 13,725.20-20,587.64-3,337.04

Finding the Fourth Proportional to 13,725.20, 20,587.64 and 3,337.04

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Solution

The fourth proportional to 13,725.20, 20,587.64 and 3,337.04 is: 5,005.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.20 : 20,587.64 = 3,337.04 : x
  2. Step 2: Convert to fraction form
    13,725.20/20,587.64 = 3,337.04/x
  3. Step 3: Cross multiply
    13,725.20x = 20,587.64 × 3,337.04
  4. Step 4: Simplify right side
    13,725.20x = 68,701,778.19
  5. Step 5: Solve for x
    x = 68,701,778.19/13,725.20
  6. Step 6: Final answer
    x = 5,005.52

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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.