Home / 13,966.72-19,273.44-7,998.88

Finding the Fourth Proportional to 13,966.72, 19,273.44 and 7,998.88

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Solution

The fourth proportional to 13,966.72, 19,273.44 and 7,998.88 is: 11,038.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.72 : 19,273.44 = 7,998.88 : x
  2. Step 2: Convert to fraction form
    13,966.72/19,273.44 = 7,998.88/x
  3. Step 3: Cross multiply
    13,966.72x = 19,273.44 × 7,998.88
  4. Step 4: Simplify right side
    13,966.72x = 154,165,933.75
  5. Step 5: Solve for x
    x = 154,165,933.75/13,966.72
  6. Step 6: Final answer
    x = 11,038.09

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1.5x scale

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.