Home / 11,621.37-17,438.91-4,602.06

Finding the Fourth Proportional to 11,621.37, 17,438.91 and 4,602.06

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Solution

The fourth proportional to 11,621.37, 17,438.91 and 4,602.06 is: 6,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.37 : 17,438.91 = 4,602.06 : x
  2. Step 2: Convert to fraction form
    11,621.37/17,438.91 = 4,602.06/x
  3. Step 3: Cross multiply
    11,621.37x = 17,438.91 × 4,602.06
  4. Step 4: Simplify right side
    11,621.37x = 80,254,910.15
  5. Step 5: Solve for x
    x = 80,254,910.15/11,621.37
  6. Step 6: Final answer
    x = 6,905.80

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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.