Home / 13,337.75-20,009.87-4,103.75

Finding the Fourth Proportional to 13,337.75, 20,009.87 and 4,103.75

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Solution

The fourth proportional to 13,337.75, 20,009.87 and 4,103.75 is: 6,156.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.75 : 20,009.87 = 4,103.75 : x
  2. Step 2: Convert to fraction form
    13,337.75/20,009.87 = 4,103.75/x
  3. Step 3: Cross multiply
    13,337.75x = 20,009.87 × 4,103.75
  4. Step 4: Simplify right side
    13,337.75x = 82,115,504.01
  5. Step 5: Solve for x
    x = 82,115,504.01/13,337.75
  6. Step 6: Final answer
    x = 6,156.62

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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.