Home / 19,605.90-29,408.60-4,814.88

Finding the Fourth Proportional to 19,605.90, 29,408.60 and 4,814.88

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Solution

The fourth proportional to 19,605.90, 29,408.60 and 4,814.88 is: 7,222.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,605.90 : 29,408.60 = 4,814.88 : x
  2. Step 2: Convert to fraction form
    19,605.90/29,408.60 = 4,814.88/x
  3. Step 3: Cross multiply
    19,605.90x = 29,408.60 × 4,814.88
  4. Step 4: Simplify right side
    19,605.90x = 141,598,879.97
  5. Step 5: Solve for x
    x = 141,598,879.97/19,605.90
  6. Step 6: Final answer
    x = 7,222.26

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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.