Home / 20,546.41-30,831.36-8,699.35

Finding the Fourth Proportional to 20,546.41, 30,831.36 and 8,699.35

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Solution

The fourth proportional to 20,546.41, 30,831.36 and 8,699.35 is: 13,054.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,546.41 : 30,831.36 = 8,699.35 : x
  2. Step 2: Convert to fraction form
    20,546.41/30,831.36 = 8,699.35/x
  3. Step 3: Cross multiply
    20,546.41x = 30,831.36 × 8,699.35
  4. Step 4: Simplify right side
    20,546.41x = 268,212,791.62
  5. Step 5: Solve for x
    x = 268,212,791.62/20,546.41
  6. Step 6: Final answer
    x = 13,054.00

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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.