Home / 18,070.39-27,107.97-8,075.22

Finding the Fourth Proportional to 18,070.39, 27,107.97 and 8,075.22

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Solution

The fourth proportional to 18,070.39, 27,107.97 and 8,075.22 is: 12,113.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,070.39 : 27,107.97 = 8,075.22 : x
  2. Step 2: Convert to fraction form
    18,070.39/27,107.97 = 8,075.22/x
  3. Step 3: Cross multiply
    18,070.39x = 27,107.97 × 8,075.22
  4. Step 4: Simplify right side
    18,070.39x = 218,902,685.96
  5. Step 5: Solve for x
    x = 218,902,685.96/18,070.39
  6. Step 6: Final answer
    x = 12,113.89

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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.