Home / 20,608.48-30,904.32-10,083.04

Finding the Fourth Proportional to 20,608.48, 30,904.32 and 10,083.04

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Solution

The fourth proportional to 20,608.48, 30,904.32 and 10,083.04 is: 15,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,608.48 : 30,904.32 = 10,083.04 : x
  2. Step 2: Convert to fraction form
    20,608.48/30,904.32 = 10,083.04/x
  3. Step 3: Cross multiply
    20,608.48x = 30,904.32 × 10,083.04
  4. Step 4: Simplify right side
    20,608.48x = 311,609,494.73
  5. Step 5: Solve for x
    x = 311,609,494.73/20,608.48
  6. Step 6: Final answer
    x = 15,120.45

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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.