Home / 13,412.85-20,111.46-4,050.06

Finding the Fourth Proportional to 13,412.85, 20,111.46 and 4,050.06

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Solution

The fourth proportional to 13,412.85, 20,111.46 and 4,050.06 is: 6,072.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412.85 : 20,111.46 = 4,050.06 : x
  2. Step 2: Convert to fraction form
    13,412.85/20,111.46 = 4,050.06/x
  3. Step 3: Cross multiply
    13,412.85x = 20,111.46 × 4,050.06
  4. Step 4: Simplify right side
    13,412.85x = 81,452,619.69
  5. Step 5: Solve for x
    x = 81,452,619.69/13,412.85
  6. Step 6: Final answer
    x = 6,072.73

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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.