Home / 20,197.84-30,310.60-7,050.21

Finding the Fourth Proportional to 20,197.84, 30,310.60 and 7,050.21

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Solution

The fourth proportional to 20,197.84, 30,310.60 and 7,050.21 is: 10,580.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197.84 : 30,310.60 = 7,050.21 : x
  2. Step 2: Convert to fraction form
    20,197.84/30,310.60 = 7,050.21/x
  3. Step 3: Cross multiply
    20,197.84x = 30,310.60 × 7,050.21
  4. Step 4: Simplify right side
    20,197.84x = 213,696,059.97
  5. Step 5: Solve for x
    x = 213,696,059.97/20,197.84
  6. Step 6: Final answer
    x = 10,580.15

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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.