Home / 14,180.37-21,272.87-4,821.23

Finding the Fourth Proportional to 14,180.37, 21,272.87 and 4,821.23

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Solution

The fourth proportional to 14,180.37, 21,272.87 and 4,821.23 is: 7,232.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.37 : 21,272.87 = 4,821.23 : x
  2. Step 2: Convert to fraction form
    14,180.37/21,272.87 = 4,821.23/x
  3. Step 3: Cross multiply
    14,180.37x = 21,272.87 × 4,821.23
  4. Step 4: Simplify right side
    14,180.37x = 102,561,321.74
  5. Step 5: Solve for x
    x = 102,561,321.74/14,180.37
  6. Step 6: Final answer
    x = 7,232.63

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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.