Home / 11,848.51-17,773.80-3,415.06

Finding the Fourth Proportional to 11,848.51, 17,773.80 and 3,415.06

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Solution

The fourth proportional to 11,848.51, 17,773.80 and 3,415.06 is: 5,122.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,848.51 : 17,773.80 = 3,415.06 : x
  2. Step 2: Convert to fraction form
    11,848.51/17,773.80 = 3,415.06/x
  3. Step 3: Cross multiply
    11,848.51x = 17,773.80 × 3,415.06
  4. Step 4: Simplify right side
    11,848.51x = 60,698,593.43
  5. Step 5: Solve for x
    x = 60,698,593.43/11,848.51
  6. Step 6: Final answer
    x = 5,122.89

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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.