Home / 19,637.82-29,505.94-18,456.84

Finding the Fourth Proportional to 19,637.82, 29,505.94 and 18,456.84

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Solution

The fourth proportional to 19,637.82, 29,505.94 and 18,456.84 is: 27,731.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637.82 : 29,505.94 = 18,456.84 : x
  2. Step 2: Convert to fraction form
    19,637.82/29,505.94 = 18,456.84/x
  3. Step 3: Cross multiply
    19,637.82x = 29,505.94 × 18,456.84
  4. Step 4: Simplify right side
    19,637.82x = 544,586,367.49
  5. Step 5: Solve for x
    x = 544,586,367.49/19,637.82
  6. Step 6: Final answer
    x = 27,731.51

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1.5x scale

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.