Home / 12,814.61-19,224.34-4,047.77

Finding the Fourth Proportional to 12,814.61, 19,224.34 and 4,047.77

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Solution

The fourth proportional to 12,814.61, 19,224.34 and 4,047.77 is: 6,072.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,814.61 : 19,224.34 = 4,047.77 : x
  2. Step 2: Convert to fraction form
    12,814.61/19,224.34 = 4,047.77/x
  3. Step 3: Cross multiply
    12,814.61x = 19,224.34 × 4,047.77
  4. Step 4: Simplify right side
    12,814.61x = 77,815,744.66
  5. Step 5: Solve for x
    x = 77,815,744.66/12,814.61
  6. Step 6: Final answer
    x = 6,072.43

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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.