Home / 21,996.26-32,997.36-6,413.76

Finding the Fourth Proportional to 21,996.26, 32,997.36 and 6,413.76

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Solution

The fourth proportional to 21,996.26, 32,997.36 and 6,413.76 is: 9,621.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,996.26 : 32,997.36 = 6,413.76 : x
  2. Step 2: Convert to fraction form
    21,996.26/32,997.36 = 6,413.76/x
  3. Step 3: Cross multiply
    21,996.26x = 32,997.36 × 6,413.76
  4. Step 4: Simplify right side
    21,996.26x = 211,637,147.67
  5. Step 5: Solve for x
    x = 211,637,147.67/21,996.26
  6. Step 6: Final answer
    x = 9,621.51

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1.5x scale

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.