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Finding the Fourth Proportional to 8,763.35, 13,192.63 and 7,859.25

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Solution

The fourth proportional to 8,763.35, 13,192.63 and 7,859.25 is: 11,831.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.35 : 13,192.63 = 7,859.25 : x
  2. Step 2: Convert to fraction form
    8,763.35/13,192.63 = 7,859.25/x
  3. Step 3: Cross multiply
    8,763.35x = 13,192.63 × 7,859.25
  4. Step 4: Simplify right side
    8,763.35x = 103,684,157.68
  5. Step 5: Solve for x
    x = 103,684,157.68/8,763.35
  6. Step 6: Final answer
    x = 11,831.57

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.