Home / 19,605.51-29,408.36-4,814.43

Finding the Fourth Proportional to 19,605.51, 29,408.36 and 4,814.43

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Solution

The fourth proportional to 19,605.51, 29,408.36 and 4,814.43 is: 7,221.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,605.51 : 29,408.36 = 4,814.43 : x
  2. Step 2: Convert to fraction form
    19,605.51/29,408.36 = 4,814.43/x
  3. Step 3: Cross multiply
    19,605.51x = 29,408.36 × 4,814.43
  4. Step 4: Simplify right side
    19,605.51x = 141,584,539.95
  5. Step 5: Solve for x
    x = 141,584,539.95/19,605.51
  6. Step 6: Final answer
    x = 7,221.67

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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.