Home / 21,674.13-32,512.32-6,884.21

Finding the Fourth Proportional to 21,674.13, 32,512.32 and 6,884.21

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Solution

The fourth proportional to 21,674.13, 32,512.32 and 6,884.21 is: 10,326.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,674.13 : 32,512.32 = 6,884.21 : x
  2. Step 2: Convert to fraction form
    21,674.13/32,512.32 = 6,884.21/x
  3. Step 3: Cross multiply
    21,674.13x = 32,512.32 × 6,884.21
  4. Step 4: Simplify right side
    21,674.13x = 223,821,638.47
  5. Step 5: Solve for x
    x = 223,821,638.47/21,674.13
  6. Step 6: Final answer
    x = 10,326.67

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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.