Home / 15,881.56-23,831.94-5,500.60

Finding the Fourth Proportional to 15,881.56, 23,831.94 and 5,500.60

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Solution

The fourth proportional to 15,881.56, 23,831.94 and 5,500.60 is: 8,254.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,881.56 : 23,831.94 = 5,500.60 : x
  2. Step 2: Convert to fraction form
    15,881.56/23,831.94 = 5,500.60/x
  3. Step 3: Cross multiply
    15,881.56x = 23,831.94 × 5,500.60
  4. Step 4: Simplify right side
    15,881.56x = 131,089,969.16
  5. Step 5: Solve for x
    x = 131,089,969.16/15,881.56
  6. Step 6: Final answer
    x = 8,254.22

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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.