Home / 20,195.58-30,307.21-7,047.95

Finding the Fourth Proportional to 20,195.58, 30,307.21 and 7,047.95

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Solution

The fourth proportional to 20,195.58, 30,307.21 and 7,047.95 is: 10,576.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195.58 : 30,307.21 = 7,047.95 : x
  2. Step 2: Convert to fraction form
    20,195.58/30,307.21 = 7,047.95/x
  3. Step 3: Cross multiply
    20,195.58x = 30,307.21 × 7,047.95
  4. Step 4: Simplify right side
    20,195.58x = 213,603,700.72
  5. Step 5: Solve for x
    x = 213,603,700.72/20,195.58
  6. Step 6: Final answer
    x = 10,576.75

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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.