Home / 10,828.80-16,243.20-6,695.10

Finding the Fourth Proportional to 10,828.80, 16,243.20 and 6,695.10

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Solution

The fourth proportional to 10,828.80, 16,243.20 and 6,695.10 is: 10,042.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828.80 : 16,243.20 = 6,695.10 : x
  2. Step 2: Convert to fraction form
    10,828.80/16,243.20 = 6,695.10/x
  3. Step 3: Cross multiply
    10,828.80x = 16,243.20 × 6,695.10
  4. Step 4: Simplify right side
    10,828.80x = 108,749,848.32
  5. Step 5: Solve for x
    x = 108,749,848.32/10,828.80
  6. Step 6: Final answer
    x = 10,042.65

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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.