Home / 18,070.37-27,102.82-4,923.78

Finding the Fourth Proportional to 18,070.37, 27,102.82 and 4,923.78

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Solution

The fourth proportional to 18,070.37, 27,102.82 and 4,923.78 is: 7,384.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,070.37 : 27,102.82 = 4,923.78 : x
  2. Step 2: Convert to fraction form
    18,070.37/27,102.82 = 4,923.78/x
  3. Step 3: Cross multiply
    18,070.37x = 27,102.82 × 4,923.78
  4. Step 4: Simplify right side
    18,070.37x = 133,448,323.06
  5. Step 5: Solve for x
    x = 133,448,323.06/18,070.37
  6. Step 6: Final answer
    x = 7,384.92

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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.