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Finding the Fourth Proportional to 19,988.00, 29,949.19 and 6,833.19

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Solution

The fourth proportional to 19,988.00, 29,949.19 and 6,833.19 is: 10,238.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988.00 : 29,949.19 = 6,833.19 : x
  2. Step 2: Convert to fraction form
    19,988.00/29,949.19 = 6,833.19/x
  3. Step 3: Cross multiply
    19,988.00x = 29,949.19 × 6,833.19
  4. Step 4: Simplify right side
    19,988.00x = 204,648,471.45
  5. Step 5: Solve for x
    x = 204,648,471.45/19,988.00
  6. Step 6: Final answer
    x = 10,238.57

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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.