Home / 17,990.37-26,979.57-6,300.81

Finding the Fourth Proportional to 17,990.37, 26,979.57 and 6,300.81

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Solution

The fourth proportional to 17,990.37, 26,979.57 and 6,300.81 is: 9,449.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,990.37 : 26,979.57 = 6,300.81 : x
  2. Step 2: Convert to fraction form
    17,990.37/26,979.57 = 6,300.81/x
  3. Step 3: Cross multiply
    17,990.37x = 26,979.57 × 6,300.81
  4. Step 4: Simplify right side
    17,990.37x = 169,993,144.45
  5. Step 5: Solve for x
    x = 169,993,144.45/17,990.37
  6. Step 6: Final answer
    x = 9,449.12

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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.