Home / 13,208.54-19,813.23-4,890.65

Finding the Fourth Proportional to 13,208.54, 19,813.23 and 4,890.65

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Solution

The fourth proportional to 13,208.54, 19,813.23 and 4,890.65 is: 7,336.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208.54 : 19,813.23 = 4,890.65 : x
  2. Step 2: Convert to fraction form
    13,208.54/19,813.23 = 4,890.65/x
  3. Step 3: Cross multiply
    13,208.54x = 19,813.23 × 4,890.65
  4. Step 4: Simplify right side
    13,208.54x = 96,899,474.23
  5. Step 5: Solve for x
    x = 96,899,474.23/13,208.54
  6. Step 6: Final answer
    x = 7,336.13

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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.