Home / 19,974.96-29,966.28-7,662

Finding the Fourth Proportional to 19,974.96, 29,966.28 and 7,662

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Solution

The fourth proportional to 19,974.96, 29,966.28 and 7,662 is: 11,494.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,974.96 : 29,966.28 = 7,662 : x
  2. Step 2: Convert to fraction form
    19,974.96/29,966.28 = 7,662/x
  3. Step 3: Cross multiply
    19,974.96x = 29,966.28 × 7,662
  4. Step 4: Simplify right side
    19,974.96x = 229,601,637.36
  5. Step 5: Solve for x
    x = 229,601,637.36/19,974.96
  6. Step 6: Final answer
    x = 11,494.47

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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.