Home / 21,456.83-32,177.33-7,413.26

Finding the Fourth Proportional to 21,456.83, 32,177.33 and 7,413.26

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Solution

The fourth proportional to 21,456.83, 32,177.33 and 7,413.26 is: 11,117.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,456.83 : 32,177.33 = 7,413.26 : x
  2. Step 2: Convert to fraction form
    21,456.83/32,177.33 = 7,413.26/x
  3. Step 3: Cross multiply
    21,456.83x = 32,177.33 × 7,413.26
  4. Step 4: Simplify right side
    21,456.83x = 238,538,715.44
  5. Step 5: Solve for x
    x = 238,538,715.44/21,456.83
  6. Step 6: Final answer
    x = 11,117.15

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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.