Home / 19,891.99-29,836.05-6,742.81

Finding the Fourth Proportional to 19,891.99, 29,836.05 and 6,742.81

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Solution

The fourth proportional to 19,891.99, 29,836.05 and 6,742.81 is: 10,113.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,891.99 : 29,836.05 = 6,742.81 : x
  2. Step 2: Convert to fraction form
    19,891.99/29,836.05 = 6,742.81/x
  3. Step 3: Cross multiply
    19,891.99x = 29,836.05 × 6,742.81
  4. Step 4: Simplify right side
    19,891.99x = 201,178,816.30
  5. Step 5: Solve for x
    x = 201,178,816.30/19,891.99
  6. Step 6: Final answer
    x = 10,113.56

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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.