Home / 14,267.75-19,688.66-7,893.97

Finding the Fourth Proportional to 14,267.75, 19,688.66 and 7,893.97

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Solution

The fourth proportional to 14,267.75, 19,688.66 and 7,893.97 is: 10,893.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,267.75 : 19,688.66 = 7,893.97 : x
  2. Step 2: Convert to fraction form
    14,267.75/19,688.66 = 7,893.97/x
  3. Step 3: Cross multiply
    14,267.75x = 19,688.66 × 7,893.97
  4. Step 4: Simplify right side
    14,267.75x = 155,421,648.88
  5. Step 5: Solve for x
    x = 155,421,648.88/14,267.75
  6. Step 6: Final answer
    x = 10,893.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.