Home / 13,305.98-19,961.32-4,421.84

Finding the Fourth Proportional to 13,305.98, 19,961.32 and 4,421.84

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Solution

The fourth proportional to 13,305.98, 19,961.32 and 4,421.84 is: 6,633.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.98 : 19,961.32 = 4,421.84 : x
  2. Step 2: Convert to fraction form
    13,305.98/19,961.32 = 4,421.84/x
  3. Step 3: Cross multiply
    13,305.98x = 19,961.32 × 4,421.84
  4. Step 4: Simplify right side
    13,305.98x = 88,265,763.23
  5. Step 5: Solve for x
    x = 88,265,763.23/13,305.98
  6. Step 6: Final answer
    x = 6,633.54

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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.