Home / 18,600.54-27,905.64-6,122.49

Finding the Fourth Proportional to 18,600.54, 27,905.64 and 6,122.49

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Solution

The fourth proportional to 18,600.54, 27,905.64 and 6,122.49 is: 9,185.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.54 : 27,905.64 = 6,122.49 : x
  2. Step 2: Convert to fraction form
    18,600.54/27,905.64 = 6,122.49/x
  3. Step 3: Cross multiply
    18,600.54x = 27,905.64 × 6,122.49
  4. Step 4: Simplify right side
    18,600.54x = 170,852,001.84
  5. Step 5: Solve for x
    x = 170,852,001.84/18,600.54
  6. Step 6: Final answer
    x = 9,185.32

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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.