Home / 13,198.95-19,800.99-4,316.76

Finding the Fourth Proportional to 13,198.95, 19,800.99 and 4,316.76

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Solution

The fourth proportional to 13,198.95, 19,800.99 and 4,316.76 is: 6,475.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,198.95 : 19,800.99 = 4,316.76 : x
  2. Step 2: Convert to fraction form
    13,198.95/19,800.99 = 4,316.76/x
  3. Step 3: Cross multiply
    13,198.95x = 19,800.99 × 4,316.76
  4. Step 4: Simplify right side
    13,198.95x = 85,476,121.59
  5. Step 5: Solve for x
    x = 85,476,121.59/13,198.95
  6. Step 6: Final answer
    x = 6,475.98

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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.