Home / 14,883.48-20,539.78-8,169.38

Finding the Fourth Proportional to 14,883.48, 20,539.78 and 8,169.38

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Solution

The fourth proportional to 14,883.48, 20,539.78 and 8,169.38 is: 11,274.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,883.48 : 20,539.78 = 8,169.38 : x
  2. Step 2: Convert to fraction form
    14,883.48/20,539.78 = 8,169.38/x
  3. Step 3: Cross multiply
    14,883.48x = 20,539.78 × 8,169.38
  4. Step 4: Simplify right side
    14,883.48x = 167,797,267.94
  5. Step 5: Solve for x
    x = 167,797,267.94/14,883.48
  6. Step 6: Final answer
    x = 11,274.06

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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.