Home / 11,985.90-17,970.34-4,584.12

Finding the Fourth Proportional to 11,985.90, 17,970.34 and 4,584.12

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Solution

The fourth proportional to 11,985.90, 17,970.34 and 4,584.12 is: 6,872.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985.90 : 17,970.34 = 4,584.12 : x
  2. Step 2: Convert to fraction form
    11,985.90/17,970.34 = 4,584.12/x
  3. Step 3: Cross multiply
    11,985.90x = 17,970.34 × 4,584.12
  4. Step 4: Simplify right side
    11,985.90x = 82,378,195.00
  5. Step 5: Solve for x
    x = 82,378,195.00/11,985.90
  6. Step 6: Final answer
    x = 6,872.93

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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.