Home / 13,019.58-17,967.19-7,276.79

Finding the Fourth Proportional to 13,019.58, 17,967.19 and 7,276.79

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Solution

The fourth proportional to 13,019.58, 17,967.19 and 7,276.79 is: 10,042.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019.58 : 17,967.19 = 7,276.79 : x
  2. Step 2: Convert to fraction form
    13,019.58/17,967.19 = 7,276.79/x
  3. Step 3: Cross multiply
    13,019.58x = 17,967.19 × 7,276.79
  4. Step 4: Simplify right side
    13,019.58x = 130,743,378.68
  5. Step 5: Solve for x
    x = 130,743,378.68/13,019.58
  6. Step 6: Final answer
    x = 10,042.06

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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.