Home / 10,812.48-16,218.96-3,021.12

Finding the Fourth Proportional to 10,812.48, 16,218.96 and 3,021.12

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Solution

The fourth proportional to 10,812.48, 16,218.96 and 3,021.12 is: 4,531.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812.48 : 16,218.96 = 3,021.12 : x
  2. Step 2: Convert to fraction form
    10,812.48/16,218.96 = 3,021.12/x
  3. Step 3: Cross multiply
    10,812.48x = 16,218.96 × 3,021.12
  4. Step 4: Simplify right side
    10,812.48x = 48,999,424.44
  5. Step 5: Solve for x
    x = 48,999,424.44/10,812.48
  6. Step 6: Final answer
    x = 4,531.75

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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.