Home / 13,866.46-19,142.78-8,564.36

Finding the Fourth Proportional to 13,866.46, 19,142.78 and 8,564.36

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Solution

The fourth proportional to 13,866.46, 19,142.78 and 8,564.36 is: 11,823.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866.46 : 19,142.78 = 8,564.36 : x
  2. Step 2: Convert to fraction form
    13,866.46/19,142.78 = 8,564.36/x
  3. Step 3: Cross multiply
    13,866.46x = 19,142.78 × 8,564.36
  4. Step 4: Simplify right side
    13,866.46x = 163,945,520.79
  5. Step 5: Solve for x
    x = 163,945,520.79/13,866.46
  6. Step 6: Final answer
    x = 11,823.17

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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.