Home / 18,490.16-27,738.96-6,803.12

Finding the Fourth Proportional to 18,490.16, 27,738.96 and 6,803.12

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Solution

The fourth proportional to 18,490.16, 27,738.96 and 6,803.12 is: 10,206.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490.16 : 27,738.96 = 6,803.12 : x
  2. Step 2: Convert to fraction form
    18,490.16/27,738.96 = 6,803.12/x
  3. Step 3: Cross multiply
    18,490.16x = 27,738.96 × 6,803.12
  4. Step 4: Simplify right side
    18,490.16x = 188,711,473.56
  5. Step 5: Solve for x
    x = 188,711,473.56/18,490.16
  6. Step 6: Final answer
    x = 10,206.05

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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.