Home / 9,739.22-13,440.21-8,995.10

Finding the Fourth Proportional to 9,739.22, 13,440.21 and 8,995.10

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Solution

The fourth proportional to 9,739.22, 13,440.21 and 8,995.10 is: 12,413.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,739.22 : 13,440.21 = 8,995.10 : x
  2. Step 2: Convert to fraction form
    9,739.22/13,440.21 = 8,995.10/x
  3. Step 3: Cross multiply
    9,739.22x = 13,440.21 × 8,995.10
  4. Step 4: Simplify right side
    9,739.22x = 120,896,032.97
  5. Step 5: Solve for x
    x = 120,896,032.97/9,739.22
  6. Step 6: Final answer
    x = 12,413.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.