Home / 12,440.50-17,167.97-6,851.86

Finding the Fourth Proportional to 12,440.50, 17,167.97 and 6,851.86

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Solution

The fourth proportional to 12,440.50, 17,167.97 and 6,851.86 is: 9,455.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440.50 : 17,167.97 = 6,851.86 : x
  2. Step 2: Convert to fraction form
    12,440.50/17,167.97 = 6,851.86/x
  3. Step 3: Cross multiply
    12,440.50x = 17,167.97 × 6,851.86
  4. Step 4: Simplify right side
    12,440.50x = 117,632,526.92
  5. Step 5: Solve for x
    x = 117,632,526.92/12,440.50
  6. Step 6: Final answer
    x = 9,455.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.