Home / 10,413.38-15,618.92-2,622.20

Finding the Fourth Proportional to 10,413.38, 15,618.92 and 2,622.20

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Solution

The fourth proportional to 10,413.38, 15,618.92 and 2,622.20 is: 3,933.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,413.38 : 15,618.92 = 2,622.20 : x
  2. Step 2: Convert to fraction form
    10,413.38/15,618.92 = 2,622.20/x
  3. Step 3: Cross multiply
    10,413.38x = 15,618.92 × 2,622.20
  4. Step 4: Simplify right side
    10,413.38x = 40,955,840.82
  5. Step 5: Solve for x
    x = 40,955,840.82/10,413.38
  6. Step 6: Final answer
    x = 3,933.00

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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.