Home / 10,882.20-16,312.04-4,299.34

Finding the Fourth Proportional to 10,882.20, 16,312.04 and 4,299.34

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Solution

The fourth proportional to 10,882.20, 16,312.04 and 4,299.34 is: 6,444.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,882.20 : 16,312.04 = 4,299.34 : x
  2. Step 2: Convert to fraction form
    10,882.20/16,312.04 = 4,299.34/x
  3. Step 3: Cross multiply
    10,882.20x = 16,312.04 × 4,299.34
  4. Step 4: Simplify right side
    10,882.20x = 70,131,006.05
  5. Step 5: Solve for x
    x = 70,131,006.05/10,882.20
  6. Step 6: Final answer
    x = 6,444.56

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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.