Home / 11,889-17,835.30-4,494.06

Finding the Fourth Proportional to 11,889, 17,835.30 and 4,494.06

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Solution

The fourth proportional to 11,889, 17,835.30 and 4,494.06 is: 6,741.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889 : 17,835.30 = 4,494.06 : x
  2. Step 2: Convert to fraction form
    11,889/17,835.30 = 4,494.06/x
  3. Step 3: Cross multiply
    11,889x = 17,835.30 × 4,494.06
  4. Step 4: Simplify right side
    11,889x = 80,152,908.32
  5. Step 5: Solve for x
    x = 80,152,908.32/11,889
  6. Step 6: Final answer
    x = 6,741.77

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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.