Home / 13,981.29-19,295.46-7,694.07

Finding the Fourth Proportional to 13,981.29, 19,295.46 and 7,694.07

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Solution

The fourth proportional to 13,981.29, 19,295.46 and 7,694.07 is: 10,618.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981.29 : 19,295.46 = 7,694.07 : x
  2. Step 2: Convert to fraction form
    13,981.29/19,295.46 = 7,694.07/x
  3. Step 3: Cross multiply
    13,981.29x = 19,295.46 × 7,694.07
  4. Step 4: Simplify right side
    13,981.29x = 148,460,619.92
  5. Step 5: Solve for x
    x = 148,460,619.92/13,981.29
  6. Step 6: Final answer
    x = 10,618.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.