Home / 20,084.18-30,129.62-6,933.02

Finding the Fourth Proportional to 20,084.18, 30,129.62 and 6,933.02

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Solution

The fourth proportional to 20,084.18, 30,129.62 and 6,933.02 is: 10,400.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,084.18 : 30,129.62 = 6,933.02 : x
  2. Step 2: Convert to fraction form
    20,084.18/30,129.62 = 6,933.02/x
  3. Step 3: Cross multiply
    20,084.18x = 30,129.62 × 6,933.02
  4. Step 4: Simplify right side
    20,084.18x = 208,889,072.74
  5. Step 5: Solve for x
    x = 208,889,072.74/20,084.18
  6. Step 6: Final answer
    x = 10,400.68

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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.