Home / 18,116.22-27,159.66-7,017.24

Finding the Fourth Proportional to 18,116.22, 27,159.66 and 7,017.24

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Solution

The fourth proportional to 18,116.22, 27,159.66 and 7,017.24 is: 10,520.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.22 : 27,159.66 = 7,017.24 : x
  2. Step 2: Convert to fraction form
    18,116.22/27,159.66 = 7,017.24/x
  3. Step 3: Cross multiply
    18,116.22x = 27,159.66 × 7,017.24
  4. Step 4: Simplify right side
    18,116.22x = 190,585,852.54
  5. Step 5: Solve for x
    x = 190,585,852.54/18,116.22
  6. Step 6: Final answer
    x = 10,520.18

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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.