Home / 14,174.86-21,229.89-6,784.51

Finding the Fourth Proportional to 14,174.86, 21,229.89 and 6,784.51

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Solution

The fourth proportional to 14,174.86, 21,229.89 and 6,784.51 is: 10,161.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,174.86 : 21,229.89 = 6,784.51 : x
  2. Step 2: Convert to fraction form
    14,174.86/21,229.89 = 6,784.51/x
  3. Step 3: Cross multiply
    14,174.86x = 21,229.89 × 6,784.51
  4. Step 4: Simplify right side
    14,174.86x = 144,034,401.00
  5. Step 5: Solve for x
    x = 144,034,401.00/14,174.86
  6. Step 6: Final answer
    x = 10,161.26

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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.