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Finding the Fourth Proportional to 17,361.68, 23,959.04 and 9,403.88

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Solution

The fourth proportional to 17,361.68, 23,959.04 and 9,403.88 is: 12,977.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,361.68 : 23,959.04 = 9,403.88 : x
  2. Step 2: Convert to fraction form
    17,361.68/23,959.04 = 9,403.88/x
  3. Step 3: Cross multiply
    17,361.68x = 23,959.04 × 9,403.88
  4. Step 4: Simplify right side
    17,361.68x = 225,307,770.26
  5. Step 5: Solve for x
    x = 225,307,770.26/17,361.68
  6. Step 6: Final answer
    x = 12,977.31

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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.