Home / 21,605.22-32,413.50-6,814.62

Finding the Fourth Proportional to 21,605.22, 32,413.50 and 6,814.62

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Solution

The fourth proportional to 21,605.22, 32,413.50 and 6,814.62 is: 10,223.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,605.22 : 32,413.50 = 6,814.62 : x
  2. Step 2: Convert to fraction form
    21,605.22/32,413.50 = 6,814.62/x
  3. Step 3: Cross multiply
    21,605.22x = 32,413.50 × 6,814.62
  4. Step 4: Simplify right side
    21,605.22x = 220,885,685.37
  5. Step 5: Solve for x
    x = 220,885,685.37/21,605.22
  6. Step 6: Final answer
    x = 10,223.72

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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.