Home / 12,262.60-18,403.36-8,704.48

Finding the Fourth Proportional to 12,262.60, 18,403.36 and 8,704.48

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Solution

The fourth proportional to 12,262.60, 18,403.36 and 8,704.48 is: 13,063.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262.60 : 18,403.36 = 8,704.48 : x
  2. Step 2: Convert to fraction form
    12,262.60/18,403.36 = 8,704.48/x
  3. Step 3: Cross multiply
    12,262.60x = 18,403.36 × 8,704.48
  4. Step 4: Simplify right side
    12,262.60x = 160,191,679.05
  5. Step 5: Solve for x
    x = 160,191,679.05/12,262.60
  6. Step 6: Final answer
    x = 13,063.44

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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.