Home / 19,612.48-29,418-4,821.44

Finding the Fourth Proportional to 19,612.48, 29,418 and 4,821.44

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Solution

The fourth proportional to 19,612.48, 29,418 and 4,821.44 is: 7,231.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,612.48 : 29,418 = 4,821.44 : x
  2. Step 2: Convert to fraction form
    19,612.48/29,418 = 4,821.44/x
  3. Step 3: Cross multiply
    19,612.48x = 29,418 × 4,821.44
  4. Step 4: Simplify right side
    19,612.48x = 141,837,121.92
  5. Step 5: Solve for x
    x = 141,837,121.92/19,612.48
  6. Step 6: Final answer
    x = 7,231.98

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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.