Home / 21,986.29-32,979.08-6,993.19

Finding the Fourth Proportional to 21,986.29, 32,979.08 and 6,993.19

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Solution

The fourth proportional to 21,986.29, 32,979.08 and 6,993.19 is: 10,489.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,986.29 : 32,979.08 = 6,993.19 : x
  2. Step 2: Convert to fraction form
    21,986.29/32,979.08 = 6,993.19/x
  3. Step 3: Cross multiply
    21,986.29x = 32,979.08 × 6,993.19
  4. Step 4: Simplify right side
    21,986.29x = 230,628,855.05
  5. Step 5: Solve for x
    x = 230,628,855.05/21,986.29
  6. Step 6: Final answer
    x = 10,489.67

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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.