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Finding the Fourth Proportional to 17,168.31, 23,683.91 and 10,802.79

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Solution

The fourth proportional to 17,168.31, 23,683.91 and 10,802.79 is: 14,902.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,168.31 : 23,683.91 = 10,802.79 : x
  2. Step 2: Convert to fraction form
    17,168.31/23,683.91 = 10,802.79/x
  3. Step 3: Cross multiply
    17,168.31x = 23,683.91 × 10,802.79
  4. Step 4: Simplify right side
    17,168.31x = 255,852,252.09
  5. Step 5: Solve for x
    x = 255,852,252.09/17,168.31
  6. Step 6: Final answer
    x = 14,902.59

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1.5x scale

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.