Home / 12,545.03-18,814.50-4,222.89

Finding the Fourth Proportional to 12,545.03, 18,814.50 and 4,222.89

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Solution

The fourth proportional to 12,545.03, 18,814.50 and 4,222.89 is: 6,333.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545.03 : 18,814.50 = 4,222.89 : x
  2. Step 2: Convert to fraction form
    12,545.03/18,814.50 = 4,222.89/x
  3. Step 3: Cross multiply
    12,545.03x = 18,814.50 × 4,222.89
  4. Step 4: Simplify right side
    12,545.03x = 79,451,563.91
  5. Step 5: Solve for x
    x = 79,451,563.91/12,545.03
  6. Step 6: Final answer
    x = 6,333.31

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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.