Home / 14,745.20-22,117.80-5,514.80

Finding the Fourth Proportional to 14,745.20, 22,117.80 and 5,514.80

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Solution

The fourth proportional to 14,745.20, 22,117.80 and 5,514.80 is: 8,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,745.20 : 22,117.80 = 5,514.80 : x
  2. Step 2: Convert to fraction form
    14,745.20/22,117.80 = 5,514.80/x
  3. Step 3: Cross multiply
    14,745.20x = 22,117.80 × 5,514.80
  4. Step 4: Simplify right side
    14,745.20x = 121,975,243.44
  5. Step 5: Solve for x
    x = 121,975,243.44/14,745.20
  6. Step 6: Final answer
    x = 8,272.20

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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.