Home / 14,851.78-20,495.45-8,137.66

Finding the Fourth Proportional to 14,851.78, 20,495.45 and 8,137.66

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Solution

The fourth proportional to 14,851.78, 20,495.45 and 8,137.66 is: 11,229.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,851.78 : 20,495.45 = 8,137.66 : x
  2. Step 2: Convert to fraction form
    14,851.78/20,495.45 = 8,137.66/x
  3. Step 3: Cross multiply
    14,851.78x = 20,495.45 × 8,137.66
  4. Step 4: Simplify right side
    14,851.78x = 166,785,003.65
  5. Step 5: Solve for x
    x = 166,785,003.65/14,851.78
  6. Step 6: Final answer
    x = 11,229.97

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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.