Home / 19,806.62-29,710.06-4,813.70

Finding the Fourth Proportional to 19,806.62, 29,710.06 and 4,813.70

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Solution

The fourth proportional to 19,806.62, 29,710.06 and 4,813.70 is: 7,220.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,806.62 : 29,710.06 = 4,813.70 : x
  2. Step 2: Convert to fraction form
    19,806.62/29,710.06 = 4,813.70/x
  3. Step 3: Cross multiply
    19,806.62x = 29,710.06 × 4,813.70
  4. Step 4: Simplify right side
    19,806.62x = 143,015,315.82
  5. Step 5: Solve for x
    x = 143,015,315.82/19,806.62
  6. Step 6: Final answer
    x = 7,220.58

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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.