Home / 14,116.94-21,175.85-5,234.48

Finding the Fourth Proportional to 14,116.94, 21,175.85 and 5,234.48

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Solution

The fourth proportional to 14,116.94, 21,175.85 and 5,234.48 is: 7,851.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.94 : 21,175.85 = 5,234.48 : x
  2. Step 2: Convert to fraction form
    14,116.94/21,175.85 = 5,234.48/x
  3. Step 3: Cross multiply
    14,116.94x = 21,175.85 × 5,234.48
  4. Step 4: Simplify right side
    14,116.94x = 110,844,563.31
  5. Step 5: Solve for x
    x = 110,844,563.31/14,116.94
  6. Step 6: Final answer
    x = 7,851.88

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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.