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Finding the Fourth Proportional to 19,913, 29,863.40 and 6,762.44

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Solution

The fourth proportional to 19,913, 29,863.40 and 6,762.44 is: 10,141.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,913 : 29,863.40 = 6,762.44 : x
  2. Step 2: Convert to fraction form
    19,913/29,863.40 = 6,762.44/x
  3. Step 3: Cross multiply
    19,913x = 29,863.40 × 6,762.44
  4. Step 4: Simplify right side
    19,913x = 201,949,450.70
  5. Step 5: Solve for x
    x = 201,949,450.70/19,913
  6. Step 6: Final answer
    x = 10,141.59

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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.