Home / 19,376.12-29,020.44-8,966

Finding the Fourth Proportional to 19,376.12, 29,020.44 and 8,966

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Solution

The fourth proportional to 19,376.12, 29,020.44 and 8,966 is: 13,428.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,376.12 : 29,020.44 = 8,966 : x
  2. Step 2: Convert to fraction form
    19,376.12/29,020.44 = 8,966/x
  3. Step 3: Cross multiply
    19,376.12x = 29,020.44 × 8,966
  4. Step 4: Simplify right side
    19,376.12x = 260,197,265.04
  5. Step 5: Solve for x
    x = 260,197,265.04/19,376.12
  6. Step 6: Final answer
    x = 13,428.76

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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.