Home / 14,390.14-21,579.53-6,992.41

Finding the Fourth Proportional to 14,390.14, 21,579.53 and 6,992.41

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Solution

The fourth proportional to 14,390.14, 21,579.53 and 6,992.41 is: 10,485.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.14 : 21,579.53 = 6,992.41 : x
  2. Step 2: Convert to fraction form
    14,390.14/21,579.53 = 6,992.41/x
  3. Step 3: Cross multiply
    14,390.14x = 21,579.53 × 6,992.41
  4. Step 4: Simplify right side
    14,390.14x = 150,892,921.37
  5. Step 5: Solve for x
    x = 150,892,921.37/14,390.14
  6. Step 6: Final answer
    x = 10,485.85

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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.