Home / 12,942.68-17,849.92-10,935.94

Finding the Fourth Proportional to 12,942.68, 17,849.92 and 10,935.94

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Solution

The fourth proportional to 12,942.68, 17,849.92 and 10,935.94 is: 15,082.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942.68 : 17,849.92 = 10,935.94 : x
  2. Step 2: Convert to fraction form
    12,942.68/17,849.92 = 10,935.94/x
  3. Step 3: Cross multiply
    12,942.68x = 17,849.92 × 10,935.94
  4. Step 4: Simplify right side
    12,942.68x = 195,205,599.45
  5. Step 5: Solve for x
    x = 195,205,599.45/12,942.68
  6. Step 6: Final answer
    x = 15,082.32

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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.