Home / 12,923.26-19,393.38-7,084

Finding the Fourth Proportional to 12,923.26, 19,393.38 and 7,084

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Solution

The fourth proportional to 12,923.26, 19,393.38 and 7,084 is: 10,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923.26 : 19,393.38 = 7,084 : x
  2. Step 2: Convert to fraction form
    12,923.26/19,393.38 = 7,084/x
  3. Step 3: Cross multiply
    12,923.26x = 19,393.38 × 7,084
  4. Step 4: Simplify right side
    12,923.26x = 137,382,703.92
  5. Step 5: Solve for x
    x = 137,382,703.92/12,923.26
  6. Step 6: Final answer
    x = 10,630.65

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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.