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Finding the Fourth Proportional to 10,800.50, 16,200.75 and 3,009.52

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Solution

The fourth proportional to 10,800.50, 16,200.75 and 3,009.52 is: 4,514.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,800.50 : 16,200.75 = 3,009.52 : x
  2. Step 2: Convert to fraction form
    10,800.50/16,200.75 = 3,009.52/x
  3. Step 3: Cross multiply
    10,800.50x = 16,200.75 × 3,009.52
  4. Step 4: Simplify right side
    10,800.50x = 48,756,481.14
  5. Step 5: Solve for x
    x = 48,756,481.14/10,800.50
  6. Step 6: Final answer
    x = 4,514.28

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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.