Home / 18,074.40-27,105.84-9,308.16

Finding the Fourth Proportional to 18,074.40, 27,105.84 and 9,308.16

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Solution

The fourth proportional to 18,074.40, 27,105.84 and 9,308.16 is: 13,959.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,074.40 : 27,105.84 = 9,308.16 : x
  2. Step 2: Convert to fraction form
    18,074.40/27,105.84 = 9,308.16/x
  3. Step 3: Cross multiply
    18,074.40x = 27,105.84 × 9,308.16
  4. Step 4: Simplify right side
    18,074.40x = 252,305,495.65
  5. Step 5: Solve for x
    x = 252,305,495.65/18,074.40
  6. Step 6: Final answer
    x = 13,959.27

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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.