Home / 10,786.35-16,176.55-6,831.67

Finding the Fourth Proportional to 10,786.35, 16,176.55 and 6,831.67

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Solution

The fourth proportional to 10,786.35, 16,176.55 and 6,831.67 is: 10,245.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,786.35 : 16,176.55 = 6,831.67 : x
  2. Step 2: Convert to fraction form
    10,786.35/16,176.55 = 6,831.67/x
  3. Step 3: Cross multiply
    10,786.35x = 16,176.55 × 6,831.67
  4. Step 4: Simplify right side
    10,786.35x = 110,512,851.34
  5. Step 5: Solve for x
    x = 110,512,851.34/10,786.35
  6. Step 6: Final answer
    x = 10,245.63

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1.5x scale

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.