Home / 22,108.68-33,168.04-7,317.58

Finding the Fourth Proportional to 22,108.68, 33,168.04 and 7,317.58

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Solution

The fourth proportional to 22,108.68, 33,168.04 and 7,317.58 is: 10,978.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,108.68 : 33,168.04 = 7,317.58 : x
  2. Step 2: Convert to fraction form
    22,108.68/33,168.04 = 7,317.58/x
  3. Step 3: Cross multiply
    22,108.68x = 33,168.04 × 7,317.58
  4. Step 4: Simplify right side
    22,108.68x = 242,709,786.14
  5. Step 5: Solve for x
    x = 242,709,786.14/22,108.68
  6. Step 6: Final answer
    x = 10,978.03

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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.