Home / 19,998.36-29,942.10-10,089.18

Finding the Fourth Proportional to 19,998.36, 29,942.10 and 10,089.18

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Solution

The fourth proportional to 19,998.36, 29,942.10 and 10,089.18 is: 15,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.36 : 29,942.10 = 10,089.18 : x
  2. Step 2: Convert to fraction form
    19,998.36/29,942.10 = 10,089.18/x
  3. Step 3: Cross multiply
    19,998.36x = 29,942.10 × 10,089.18
  4. Step 4: Simplify right side
    19,998.36x = 302,091,236.48
  5. Step 5: Solve for x
    x = 302,091,236.48/19,998.36
  6. Step 6: Final answer
    x = 15,105.80

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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.