Home / 12,736.08-19,082.07-6,896.70

Finding the Fourth Proportional to 12,736.08, 19,082.07 and 6,896.70

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Solution

The fourth proportional to 12,736.08, 19,082.07 and 6,896.70 is: 10,333.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736.08 : 19,082.07 = 6,896.70 : x
  2. Step 2: Convert to fraction form
    12,736.08/19,082.07 = 6,896.70/x
  3. Step 3: Cross multiply
    12,736.08x = 19,082.07 × 6,896.70
  4. Step 4: Simplify right side
    12,736.08x = 131,603,312.17
  5. Step 5: Solve for x
    x = 131,603,312.17/12,736.08
  6. Step 6: Final answer
    x = 10,333.11

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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.