Home / 11,021.27-16,536.15-8,784.45

Finding the Fourth Proportional to 11,021.27, 16,536.15 and 8,784.45

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Solution

The fourth proportional to 11,021.27, 16,536.15 and 8,784.45 is: 13,180.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.27 : 16,536.15 = 8,784.45 : x
  2. Step 2: Convert to fraction form
    11,021.27/16,536.15 = 8,784.45/x
  3. Step 3: Cross multiply
    11,021.27x = 16,536.15 × 8,784.45
  4. Step 4: Simplify right side
    11,021.27x = 145,260,982.87
  5. Step 5: Solve for x
    x = 145,260,982.87/11,021.27
  6. Step 6: Final answer
    x = 13,180.06

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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.