Home / 13,177.07-19,765.49-5,380.41

Finding the Fourth Proportional to 13,177.07, 19,765.49 and 5,380.41

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Solution

The fourth proportional to 13,177.07, 19,765.49 and 5,380.41 is: 8,070.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.07 : 19,765.49 = 5,380.41 : x
  2. Step 2: Convert to fraction form
    13,177.07/19,765.49 = 5,380.41/x
  3. Step 3: Cross multiply
    13,177.07x = 19,765.49 × 5,380.41
  4. Step 4: Simplify right side
    13,177.07x = 106,346,440.05
  5. Step 5: Solve for x
    x = 106,346,440.05/13,177.07
  6. Step 6: Final answer
    x = 8,070.57

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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.