Home / 13,025.80-17,975.58-7,057.49

Finding the Fourth Proportional to 13,025.80, 17,975.58 and 7,057.49

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Solution

The fourth proportional to 13,025.80, 17,975.58 and 7,057.49 is: 9,739.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,025.80 : 17,975.58 = 7,057.49 : x
  2. Step 2: Convert to fraction form
    13,025.80/17,975.58 = 7,057.49/x
  3. Step 3: Cross multiply
    13,025.80x = 17,975.58 × 7,057.49
  4. Step 4: Simplify right side
    13,025.80x = 126,862,476.09
  5. Step 5: Solve for x
    x = 126,862,476.09/13,025.80
  6. Step 6: Final answer
    x = 9,739.32

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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.