Home / 13,040.57-17,995.97-7,072.23

Finding the Fourth Proportional to 13,040.57, 17,995.97 and 7,072.23

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Solution

The fourth proportional to 13,040.57, 17,995.97 and 7,072.23 is: 9,759.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.57 : 17,995.97 = 7,072.23 : x
  2. Step 2: Convert to fraction form
    13,040.57/17,995.97 = 7,072.23/x
  3. Step 3: Cross multiply
    13,040.57x = 17,995.97 × 7,072.23
  4. Step 4: Simplify right side
    13,040.57x = 127,271,513.57
  5. Step 5: Solve for x
    x = 127,271,513.57/13,040.57
  6. Step 6: Final answer
    x = 9,759.66

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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.