Home / 17,012.43-25,563.75-9,120.75

Finding the Fourth Proportional to 17,012.43, 25,563.75 and 9,120.75

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Solution

The fourth proportional to 17,012.43, 25,563.75 and 9,120.75 is: 13,705.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,012.43 : 25,563.75 = 9,120.75 : x
  2. Step 2: Convert to fraction form
    17,012.43/25,563.75 = 9,120.75/x
  3. Step 3: Cross multiply
    17,012.43x = 25,563.75 × 9,120.75
  4. Step 4: Simplify right side
    17,012.43x = 233,160,637.85
  5. Step 5: Solve for x
    x = 233,160,637.85/17,012.43
  6. Step 6: Final answer
    x = 13,705.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.