Home / 21,292.17-31,938.26-9,608.73

Finding the Fourth Proportional to 21,292.17, 31,938.26 and 9,608.73

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Solution

The fourth proportional to 21,292.17, 31,938.26 and 9,608.73 is: 14,413.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,292.17 : 31,938.26 = 9,608.73 : x
  2. Step 2: Convert to fraction form
    21,292.17/31,938.26 = 9,608.73/x
  3. Step 3: Cross multiply
    21,292.17x = 31,938.26 × 9,608.73
  4. Step 4: Simplify right side
    21,292.17x = 306,886,068.97
  5. Step 5: Solve for x
    x = 306,886,068.97/21,292.17
  6. Step 6: Final answer
    x = 14,413.10

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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.