Home / 19,896.72-29,844.28-6,749.12

Finding the Fourth Proportional to 19,896.72, 29,844.28 and 6,749.12

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Solution

The fourth proportional to 19,896.72, 29,844.28 and 6,749.12 is: 10,123.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,896.72 : 29,844.28 = 6,749.12 : x
  2. Step 2: Convert to fraction form
    19,896.72/29,844.28 = 6,749.12/x
  3. Step 3: Cross multiply
    19,896.72x = 29,844.28 × 6,749.12
  4. Step 4: Simplify right side
    19,896.72x = 201,422,627.03
  5. Step 5: Solve for x
    x = 201,422,627.03/19,896.72
  6. Step 6: Final answer
    x = 10,123.41

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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.