Home / 19,664.46-27,139.77-11,706.48

Finding the Fourth Proportional to 19,664.46, 27,139.77 and 11,706.48

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Solution

The fourth proportional to 19,664.46, 27,139.77 and 11,706.48 is: 16,156.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,664.46 : 27,139.77 = 11,706.48 : x
  2. Step 2: Convert to fraction form
    19,664.46/27,139.77 = 11,706.48/x
  3. Step 3: Cross multiply
    19,664.46x = 27,139.77 × 11,706.48
  4. Step 4: Simplify right side
    19,664.46x = 317,711,174.71
  5. Step 5: Solve for x
    x = 317,711,174.71/19,664.46
  6. Step 6: Final answer
    x = 16,156.62

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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.