Home / 19,322.07-28,983.55-10,942.21

Finding the Fourth Proportional to 19,322.07, 28,983.55 and 10,942.21

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Solution

The fourth proportional to 19,322.07, 28,983.55 and 10,942.21 is: 16,413.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,322.07 : 28,983.55 = 10,942.21 : x
  2. Step 2: Convert to fraction form
    19,322.07/28,983.55 = 10,942.21/x
  3. Step 3: Cross multiply
    19,322.07x = 28,983.55 × 10,942.21
  4. Step 4: Simplify right side
    19,322.07x = 317,144,090.65
  5. Step 5: Solve for x
    x = 317,144,090.65/19,322.07
  6. Step 6: Final answer
    x = 16,413.57

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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.