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Finding the Fourth Proportional to 17,333.80, 23,914.23 and 11,368.78

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Solution

The fourth proportional to 17,333.80, 23,914.23 and 11,368.78 is: 15,684.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,333.80 : 23,914.23 = 11,368.78 : x
  2. Step 2: Convert to fraction form
    17,333.80/23,914.23 = 11,368.78/x
  3. Step 3: Cross multiply
    17,333.80x = 23,914.23 × 11,368.78
  4. Step 4: Simplify right side
    17,333.80x = 271,875,619.74
  5. Step 5: Solve for x
    x = 271,875,619.74/17,333.80
  6. Step 6: Final answer
    x = 15,684.71

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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.