Home / 19,906.72-29,858.09-6,758.89

Finding the Fourth Proportional to 19,906.72, 29,858.09 and 6,758.89

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Solution

The fourth proportional to 19,906.72, 29,858.09 and 6,758.89 is: 10,137.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,906.72 : 29,858.09 = 6,758.89 : x
  2. Step 2: Convert to fraction form
    19,906.72/29,858.09 = 6,758.89/x
  3. Step 3: Cross multiply
    19,906.72x = 29,858.09 × 6,758.89
  4. Step 4: Simplify right side
    19,906.72x = 201,807,437.48
  5. Step 5: Solve for x
    x = 201,807,437.48/19,906.72
  6. Step 6: Final answer
    x = 10,137.66

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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.