Home / 13,609.45-20,416.02-4,250.13

Finding the Fourth Proportional to 13,609.45, 20,416.02 and 4,250.13

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Solution

The fourth proportional to 13,609.45, 20,416.02 and 4,250.13 is: 6,375.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609.45 : 20,416.02 = 4,250.13 : x
  2. Step 2: Convert to fraction form
    13,609.45/20,416.02 = 4,250.13/x
  3. Step 3: Cross multiply
    13,609.45x = 20,416.02 × 4,250.13
  4. Step 4: Simplify right side
    13,609.45x = 86,770,739.08
  5. Step 5: Solve for x
    x = 86,770,739.08/13,609.45
  6. Step 6: Final answer
    x = 6,375.77

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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.