Home / 19,942.73-27,522.18-10,990.22

Finding the Fourth Proportional to 19,942.73, 27,522.18 and 10,990.22

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Solution

The fourth proportional to 19,942.73, 27,522.18 and 10,990.22 is: 15,167.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.73 : 27,522.18 = 10,990.22 : x
  2. Step 2: Convert to fraction form
    19,942.73/27,522.18 = 10,990.22/x
  3. Step 3: Cross multiply
    19,942.73x = 27,522.18 × 10,990.22
  4. Step 4: Simplify right side
    19,942.73x = 302,474,675.47
  5. Step 5: Solve for x
    x = 302,474,675.47/19,942.73
  6. Step 6: Final answer
    x = 15,167.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.