Home / 21,462.90-32,189.49-9,610.44

Finding the Fourth Proportional to 21,462.90, 32,189.49 and 9,610.44

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Solution

The fourth proportional to 21,462.90, 32,189.49 and 9,610.44 is: 14,413.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,462.90 : 32,189.49 = 9,610.44 : x
  2. Step 2: Convert to fraction form
    21,462.90/32,189.49 = 9,610.44/x
  3. Step 3: Cross multiply
    21,462.90x = 32,189.49 × 9,610.44
  4. Step 4: Simplify right side
    21,462.90x = 309,355,162.28
  5. Step 5: Solve for x
    x = 309,355,162.28/21,462.90
  6. Step 6: Final answer
    x = 14,413.48

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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.