Home / 21,413.22-32,119.76-5,830.80

Finding the Fourth Proportional to 21,413.22, 32,119.76 and 5,830.80

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Solution

The fourth proportional to 21,413.22, 32,119.76 and 5,830.80 is: 8,746.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,413.22 : 32,119.76 = 5,830.80 : x
  2. Step 2: Convert to fraction form
    21,413.22/32,119.76 = 5,830.80/x
  3. Step 3: Cross multiply
    21,413.22x = 32,119.76 × 5,830.80
  4. Step 4: Simplify right side
    21,413.22x = 187,283,896.61
  5. Step 5: Solve for x
    x = 187,283,896.61/21,413.22
  6. Step 6: Final answer
    x = 8,746.18

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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.