Home / 18,176.80-27,270.44-6,490.84

Finding the Fourth Proportional to 18,176.80, 27,270.44 and 6,490.84

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Solution

The fourth proportional to 18,176.80, 27,270.44 and 6,490.84 is: 9,738.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176.80 : 27,270.44 = 6,490.84 : x
  2. Step 2: Convert to fraction form
    18,176.80/27,270.44 = 6,490.84/x
  3. Step 3: Cross multiply
    18,176.80x = 27,270.44 × 6,490.84
  4. Step 4: Simplify right side
    18,176.80x = 177,008,062.77
  5. Step 5: Solve for x
    x = 177,008,062.77/18,176.80
  6. Step 6: Final answer
    x = 9,738.13

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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.