Home / 20,200.14-30,307.49-7,054.44

Finding the Fourth Proportional to 20,200.14, 30,307.49 and 7,054.44

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Solution

The fourth proportional to 20,200.14, 30,307.49 and 7,054.44 is: 10,584.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,200.14 : 30,307.49 = 7,054.44 : x
  2. Step 2: Convert to fraction form
    20,200.14/30,307.49 = 7,054.44/x
  3. Step 3: Cross multiply
    20,200.14x = 30,307.49 × 7,054.44
  4. Step 4: Simplify right side
    20,200.14x = 213,802,369.76
  5. Step 5: Solve for x
    x = 213,802,369.76/20,200.14
  6. Step 6: Final answer
    x = 10,584.20

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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.