Home / 21,459.94-32,198.11-8,313.33

Finding the Fourth Proportional to 21,459.94, 32,198.11 and 8,313.33

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Solution

The fourth proportional to 21,459.94, 32,198.11 and 8,313.33 is: 12,473.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,459.94 : 32,198.11 = 8,313.33 : x
  2. Step 2: Convert to fraction form
    21,459.94/32,198.11 = 8,313.33/x
  3. Step 3: Cross multiply
    21,459.94x = 32,198.11 × 8,313.33
  4. Step 4: Simplify right side
    21,459.94x = 267,673,613.77
  5. Step 5: Solve for x
    x = 267,673,613.77/21,459.94
  6. Step 6: Final answer
    x = 12,473.18

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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.