Home / 13,167.33-19,750.23-5,771.83

Finding the Fourth Proportional to 13,167.33, 19,750.23 and 5,771.83

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Solution

The fourth proportional to 13,167.33, 19,750.23 and 5,771.83 is: 8,657.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167.33 : 19,750.23 = 5,771.83 : x
  2. Step 2: Convert to fraction form
    13,167.33/19,750.23 = 5,771.83/x
  3. Step 3: Cross multiply
    13,167.33x = 19,750.23 × 5,771.83
  4. Step 4: Simplify right side
    13,167.33x = 113,994,970.02
  5. Step 5: Solve for x
    x = 113,994,970.02/13,167.33
  6. Step 6: Final answer
    x = 8,657.41

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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.