Home / 20,466.09-30,715.54-10,608.19

Finding the Fourth Proportional to 20,466.09, 30,715.54 and 10,608.19

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Solution

The fourth proportional to 20,466.09, 30,715.54 and 10,608.19 is: 15,920.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,466.09 : 30,715.54 = 10,608.19 : x
  2. Step 2: Convert to fraction form
    20,466.09/30,715.54 = 10,608.19/x
  3. Step 3: Cross multiply
    20,466.09x = 30,715.54 × 10,608.19
  4. Step 4: Simplify right side
    20,466.09x = 325,836,180.96
  5. Step 5: Solve for x
    x = 325,836,180.96/20,466.09
  6. Step 6: Final answer
    x = 15,920.78

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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.