Home / 17,110.70-23,623.87-15,315.06

Finding the Fourth Proportional to 17,110.70, 23,623.87 and 15,315.06

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Solution

The fourth proportional to 17,110.70, 23,623.87 and 15,315.06 is: 21,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,110.70 : 23,623.87 = 15,315.06 : x
  2. Step 2: Convert to fraction form
    17,110.70/23,623.87 = 15,315.06/x
  3. Step 3: Cross multiply
    17,110.70x = 23,623.87 × 15,315.06
  4. Step 4: Simplify right side
    17,110.70x = 361,800,986.48
  5. Step 5: Solve for x
    x = 361,800,986.48/17,110.70
  6. Step 6: Final answer
    x = 21,144.73

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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.