Home / 11,413.80-17,123.40-3,622.68

Finding the Fourth Proportional to 11,413.80, 17,123.40 and 3,622.68

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Solution

The fourth proportional to 11,413.80, 17,123.40 and 3,622.68 is: 5,434.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.80 : 17,123.40 = 3,622.68 : x
  2. Step 2: Convert to fraction form
    11,413.80/17,123.40 = 3,622.68/x
  3. Step 3: Cross multiply
    11,413.80x = 17,123.40 × 3,622.68
  4. Step 4: Simplify right side
    11,413.80x = 62,032,598.71
  5. Step 5: Solve for x
    x = 62,032,598.71/11,413.80
  6. Step 6: Final answer
    x = 5,434.88

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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.