Home / 12,874.55-19,313.64-4,106.50

Finding the Fourth Proportional to 12,874.55, 19,313.64 and 4,106.50

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Solution

The fourth proportional to 12,874.55, 19,313.64 and 4,106.50 is: 6,160.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,874.55 : 19,313.64 = 4,106.50 : x
  2. Step 2: Convert to fraction form
    12,874.55/19,313.64 = 4,106.50/x
  3. Step 3: Cross multiply
    12,874.55x = 19,313.64 × 4,106.50
  4. Step 4: Simplify right side
    12,874.55x = 79,311,414.38
  5. Step 5: Solve for x
    x = 79,311,414.38/12,874.55
  6. Step 6: Final answer
    x = 6,160.33

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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.