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Finding the Fourth Proportional to 17,357.79, 23,960.04 and 11,391.39

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Solution

The fourth proportional to 17,357.79, 23,960.04 and 11,391.39 is: 15,724.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,357.79 : 23,960.04 = 11,391.39 : x
  2. Step 2: Convert to fraction form
    17,357.79/23,960.04 = 11,391.39/x
  3. Step 3: Cross multiply
    17,357.79x = 23,960.04 × 11,391.39
  4. Step 4: Simplify right side
    17,357.79x = 272,938,160.06
  5. Step 5: Solve for x
    x = 272,938,160.06/17,357.79
  6. Step 6: Final answer
    x = 15,724.25

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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.