Home / 11,213.30-16,714.42-10,855.19

Finding the Fourth Proportional to 11,213.30, 16,714.42 and 10,855.19

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Solution

The fourth proportional to 11,213.30, 16,714.42 and 10,855.19 is: 16,180.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.30 : 16,714.42 = 10,855.19 : x
  2. Step 2: Convert to fraction form
    11,213.30/16,714.42 = 10,855.19/x
  3. Step 3: Cross multiply
    11,213.30x = 16,714.42 × 10,855.19
  4. Step 4: Simplify right side
    11,213.30x = 181,438,219.49
  5. Step 5: Solve for x
    x = 181,438,219.49/11,213.30
  6. Step 6: Final answer
    x = 16,180.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.