Home / 20,183.34-30,239.77-13,152.14

Finding the Fourth Proportional to 20,183.34, 30,239.77 and 13,152.14

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Solution

The fourth proportional to 20,183.34, 30,239.77 and 13,152.14 is: 19,705.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183.34 : 30,239.77 = 13,152.14 : x
  2. Step 2: Convert to fraction form
    20,183.34/30,239.77 = 13,152.14/x
  3. Step 3: Cross multiply
    20,183.34x = 30,239.77 × 13,152.14
  4. Step 4: Simplify right side
    20,183.34x = 397,717,537.41
  5. Step 5: Solve for x
    x = 397,717,537.41/20,183.34
  6. Step 6: Final answer
    x = 19,705.24

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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.