Home / 13,525.68-20,281.86-8,194.20

Finding the Fourth Proportional to 13,525.68, 20,281.86 and 8,194.20

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Solution

The fourth proportional to 13,525.68, 20,281.86 and 8,194.20 is: 12,287.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525.68 : 20,281.86 = 8,194.20 : x
  2. Step 2: Convert to fraction form
    13,525.68/20,281.86 = 8,194.20/x
  3. Step 3: Cross multiply
    13,525.68x = 20,281.86 × 8,194.20
  4. Step 4: Simplify right side
    13,525.68x = 166,193,617.21
  5. Step 5: Solve for x
    x = 166,193,617.21/13,525.68
  6. Step 6: Final answer
    x = 12,287.27

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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.