Home / 10,827.96-16,232.34-5,278.20

Finding the Fourth Proportional to 10,827.96, 16,232.34 and 5,278.20

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Solution

The fourth proportional to 10,827.96, 16,232.34 and 5,278.20 is: 7,912.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,827.96 : 16,232.34 = 5,278.20 : x
  2. Step 2: Convert to fraction form
    10,827.96/16,232.34 = 5,278.20/x
  3. Step 3: Cross multiply
    10,827.96x = 16,232.34 × 5,278.20
  4. Step 4: Simplify right side
    10,827.96x = 85,677,536.99
  5. Step 5: Solve for x
    x = 85,677,536.99/10,827.96
  6. Step 6: Final answer
    x = 7,912.62

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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.