Home / 19,930.09-29,898.82-8,244.22

Finding the Fourth Proportional to 19,930.09, 29,898.82 and 8,244.22

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Solution

The fourth proportional to 19,930.09, 29,898.82 and 8,244.22 is: 12,367.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,930.09 : 29,898.82 = 8,244.22 : x
  2. Step 2: Convert to fraction form
    19,930.09/29,898.82 = 8,244.22/x
  3. Step 3: Cross multiply
    19,930.09x = 29,898.82 × 8,244.22
  4. Step 4: Simplify right side
    19,930.09x = 246,492,483.35
  5. Step 5: Solve for x
    x = 246,492,483.35/19,930.09
  6. Step 6: Final answer
    x = 12,367.85

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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.