Home / 13,267.80-19,902.36-4,945.92

Finding the Fourth Proportional to 13,267.80, 19,902.36 and 4,945.92

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Solution

The fourth proportional to 13,267.80, 19,902.36 and 4,945.92 is: 7,419.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.80 : 19,902.36 = 4,945.92 : x
  2. Step 2: Convert to fraction form
    13,267.80/19,902.36 = 4,945.92/x
  3. Step 3: Cross multiply
    13,267.80x = 19,902.36 × 4,945.92
  4. Step 4: Simplify right side
    13,267.80x = 98,435,480.37
  5. Step 5: Solve for x
    x = 98,435,480.37/13,267.80
  6. Step 6: Final answer
    x = 7,419.13

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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.