Home / 14,851.97-20,495.53-8,137.20

Finding the Fourth Proportional to 14,851.97, 20,495.53 and 8,137.20

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Solution

The fourth proportional to 14,851.97, 20,495.53 and 8,137.20 is: 11,229.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,851.97 : 20,495.53 = 8,137.20 : x
  2. Step 2: Convert to fraction form
    14,851.97/20,495.53 = 8,137.20/x
  3. Step 3: Cross multiply
    14,851.97x = 20,495.53 × 8,137.20
  4. Step 4: Simplify right side
    14,851.97x = 166,776,226.72
  5. Step 5: Solve for x
    x = 166,776,226.72/14,851.97
  6. Step 6: Final answer
    x = 11,229.23

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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.