Home / 11,224.72-16,851.66-8,629.48

Finding the Fourth Proportional to 11,224.72, 16,851.66 and 8,629.48

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Solution

The fourth proportional to 11,224.72, 16,851.66 and 8,629.48 is: 12,955.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.72 : 16,851.66 = 8,629.48 : x
  2. Step 2: Convert to fraction form
    11,224.72/16,851.66 = 8,629.48/x
  3. Step 3: Cross multiply
    11,224.72x = 16,851.66 × 8,629.48
  4. Step 4: Simplify right side
    11,224.72x = 145,421,062.94
  5. Step 5: Solve for x
    x = 145,421,062.94/11,224.72
  6. Step 6: Final answer
    x = 12,955.43

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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.