Home / 17,113.96-23,628.37-15,318.33

Finding the Fourth Proportional to 17,113.96, 23,628.37 and 15,318.33

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Solution

The fourth proportional to 17,113.96, 23,628.37 and 15,318.33 is: 21,149.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,113.96 : 23,628.37 = 15,318.33 : x
  2. Step 2: Convert to fraction form
    17,113.96/23,628.37 = 15,318.33/x
  3. Step 3: Cross multiply
    17,113.96x = 23,628.37 × 15,318.33
  4. Step 4: Simplify right side
    17,113.96x = 361,947,050.88
  5. Step 5: Solve for x
    x = 361,947,050.88/17,113.96
  6. Step 6: Final answer
    x = 21,149.23

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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.