Home / 14,270.31-19,691.33-7,896.06

Finding the Fourth Proportional to 14,270.31, 19,691.33 and 7,896.06

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Solution

The fourth proportional to 14,270.31, 19,691.33 and 7,896.06 is: 10,895.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.31 : 19,691.33 = 7,896.06 : x
  2. Step 2: Convert to fraction form
    14,270.31/19,691.33 = 7,896.06/x
  3. Step 3: Cross multiply
    14,270.31x = 19,691.33 × 7,896.06
  4. Step 4: Simplify right side
    14,270.31x = 155,483,923.16
  5. Step 5: Solve for x
    x = 155,483,923.16/14,270.31
  6. Step 6: Final answer
    x = 10,895.62

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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.