Home / 10,812.69-16,219.67-3,021.48

Finding the Fourth Proportional to 10,812.69, 16,219.67 and 3,021.48

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Solution

The fourth proportional to 10,812.69, 16,219.67 and 3,021.48 is: 4,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812.69 : 16,219.67 = 3,021.48 : x
  2. Step 2: Convert to fraction form
    10,812.69/16,219.67 = 3,021.48/x
  3. Step 3: Cross multiply
    10,812.69x = 16,219.67 × 3,021.48
  4. Step 4: Simplify right side
    10,812.69x = 49,007,393.40
  5. Step 5: Solve for x
    x = 49,007,393.40/10,812.69
  6. Step 6: Final answer
    x = 4,532.40

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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.