Home / 22,310.48-30,788.70-12,238.94

Finding the Fourth Proportional to 22,310.48, 30,788.70 and 12,238.94

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Solution

The fourth proportional to 22,310.48, 30,788.70 and 12,238.94 is: 16,889.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,310.48 : 30,788.70 = 12,238.94 : x
  2. Step 2: Convert to fraction form
    22,310.48/30,788.70 = 12,238.94/x
  3. Step 3: Cross multiply
    22,310.48x = 30,788.70 × 12,238.94
  4. Step 4: Simplify right side
    22,310.48x = 376,821,051.98
  5. Step 5: Solve for x
    x = 376,821,051.98/22,310.48
  6. Step 6: Final answer
    x = 16,889.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.