Home / 12,024.86-18,021.60-8,704.30

Finding the Fourth Proportional to 12,024.86, 18,021.60 and 8,704.30

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Solution

The fourth proportional to 12,024.86, 18,021.60 and 8,704.30 is: 13,045.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,024.86 : 18,021.60 = 8,704.30 : x
  2. Step 2: Convert to fraction form
    12,024.86/18,021.60 = 8,704.30/x
  3. Step 3: Cross multiply
    12,024.86x = 18,021.60 × 8,704.30
  4. Step 4: Simplify right side
    12,024.86x = 156,865,412.88
  5. Step 5: Solve for x
    x = 156,865,412.88/12,024.86
  6. Step 6: Final answer
    x = 13,045.09

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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.