Home / 10,719.60-16,093.80-6,831.60

Finding the Fourth Proportional to 10,719.60, 16,093.80 and 6,831.60

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Solution

The fourth proportional to 10,719.60, 16,093.80 and 6,831.60 is: 10,256.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,719.60 : 16,093.80 = 6,831.60 : x
  2. Step 2: Convert to fraction form
    10,719.60/16,093.80 = 6,831.60/x
  3. Step 3: Cross multiply
    10,719.60x = 16,093.80 × 6,831.60
  4. Step 4: Simplify right side
    10,719.60x = 109,946,404.08
  5. Step 5: Solve for x
    x = 109,946,404.08/10,719.60
  6. Step 6: Final answer
    x = 10,256.58

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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.