Home / 14,662.80-21,987.36-4,272.48

Finding the Fourth Proportional to 14,662.80, 21,987.36 and 4,272.48

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Solution

The fourth proportional to 14,662.80, 21,987.36 and 4,272.48 is: 6,406.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,662.80 : 21,987.36 = 4,272.48 : x
  2. Step 2: Convert to fraction form
    14,662.80/21,987.36 = 4,272.48/x
  3. Step 3: Cross multiply
    14,662.80x = 21,987.36 × 4,272.48
  4. Step 4: Simplify right side
    14,662.80x = 93,940,555.85
  5. Step 5: Solve for x
    x = 93,940,555.85/14,662.80
  6. Step 6: Final answer
    x = 6,406.73

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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.