Home / 13,820.37-19,072.11-7,852.05

Finding the Fourth Proportional to 13,820.37, 19,072.11 and 7,852.05

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Solution

The fourth proportional to 13,820.37, 19,072.11 and 7,852.05 is: 10,835.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,820.37 : 19,072.11 = 7,852.05 : x
  2. Step 2: Convert to fraction form
    13,820.37/19,072.11 = 7,852.05/x
  3. Step 3: Cross multiply
    13,820.37x = 19,072.11 × 7,852.05
  4. Step 4: Simplify right side
    13,820.37x = 149,755,190.77
  5. Step 5: Solve for x
    x = 149,755,190.77/13,820.37
  6. Step 6: Final answer
    x = 10,835.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.