Home / 19,942.37-27,519.45-10,988.42

Finding the Fourth Proportional to 19,942.37, 27,519.45 and 10,988.42

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Solution

The fourth proportional to 19,942.37, 27,519.45 and 10,988.42 is: 15,163.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.37 : 27,519.45 = 10,988.42 : x
  2. Step 2: Convert to fraction form
    19,942.37/27,519.45 = 10,988.42/x
  3. Step 3: Cross multiply
    19,942.37x = 27,519.45 × 10,988.42
  4. Step 4: Simplify right side
    19,942.37x = 302,395,137.17
  5. Step 5: Solve for x
    x = 302,395,137.17/19,942.37
  6. Step 6: Final answer
    x = 15,163.45

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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.