Home / 18,656.82-27,977.67-6,970.86

Finding the Fourth Proportional to 18,656.82, 27,977.67 and 6,970.86

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Solution

The fourth proportional to 18,656.82, 27,977.67 and 6,970.86 is: 10,453.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,656.82 : 27,977.67 = 6,970.86 : x
  2. Step 2: Convert to fraction form
    18,656.82/27,977.67 = 6,970.86/x
  3. Step 3: Cross multiply
    18,656.82x = 27,977.67 × 6,970.86
  4. Step 4: Simplify right side
    18,656.82x = 195,028,420.70
  5. Step 5: Solve for x
    x = 195,028,420.70/18,656.82
  6. Step 6: Final answer
    x = 10,453.47

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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.