Home / 14,110.86-21,163.60-7,089

Finding the Fourth Proportional to 14,110.86, 21,163.60 and 7,089

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Solution

The fourth proportional to 14,110.86, 21,163.60 and 7,089 is: 10,632.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.86 : 21,163.60 = 7,089 : x
  2. Step 2: Convert to fraction form
    14,110.86/21,163.60 = 7,089/x
  3. Step 3: Cross multiply
    14,110.86x = 21,163.60 × 7,089
  4. Step 4: Simplify right side
    14,110.86x = 150,028,760.40
  5. Step 5: Solve for x
    x = 150,028,760.40/14,110.86
  6. Step 6: Final answer
    x = 10,632.15

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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.