Home / 13,020.88-17,968.10-7,277.32

Finding the Fourth Proportional to 13,020.88, 17,968.10 and 7,277.32

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Solution

The fourth proportional to 13,020.88, 17,968.10 and 7,277.32 is: 10,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020.88 : 17,968.10 = 7,277.32 : x
  2. Step 2: Convert to fraction form
    13,020.88/17,968.10 = 7,277.32/x
  3. Step 3: Cross multiply
    13,020.88x = 17,968.10 × 7,277.32
  4. Step 4: Simplify right side
    13,020.88x = 130,759,610.43
  5. Step 5: Solve for x
    x = 130,759,610.43/13,020.88
  6. Step 6: Final answer
    x = 10,042.30

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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.