Home / 13,281.73-19,916.23-7,736.65

Finding the Fourth Proportional to 13,281.73, 19,916.23 and 7,736.65

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Solution

The fourth proportional to 13,281.73, 19,916.23 and 7,736.65 is: 11,601.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281.73 : 19,916.23 = 7,736.65 : x
  2. Step 2: Convert to fraction form
    13,281.73/19,916.23 = 7,736.65/x
  3. Step 3: Cross multiply
    13,281.73x = 19,916.23 × 7,736.65
  4. Step 4: Simplify right side
    13,281.73x = 154,084,900.83
  5. Step 5: Solve for x
    x = 154,084,900.83/13,281.73
  6. Step 6: Final answer
    x = 11,601.27

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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.