Home / 12,617.70-18,930.76-5,596.75

Finding the Fourth Proportional to 12,617.70, 18,930.76 and 5,596.75

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Solution

The fourth proportional to 12,617.70, 18,930.76 and 5,596.75 is: 8,396.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,617.70 : 18,930.76 = 5,596.75 : x
  2. Step 2: Convert to fraction form
    12,617.70/18,930.76 = 5,596.75/x
  3. Step 3: Cross multiply
    12,617.70x = 18,930.76 × 5,596.75
  4. Step 4: Simplify right side
    12,617.70x = 105,950,665.70
  5. Step 5: Solve for x
    x = 105,950,665.70/12,617.70
  6. Step 6: Final answer
    x = 8,396.99

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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.