Home / 10,740.78-16,092.36-7,455.96

Finding the Fourth Proportional to 10,740.78, 16,092.36 and 7,455.96

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Solution

The fourth proportional to 10,740.78, 16,092.36 and 7,455.96 is: 11,170.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,740.78 : 16,092.36 = 7,455.96 : x
  2. Step 2: Convert to fraction form
    10,740.78/16,092.36 = 7,455.96/x
  3. Step 3: Cross multiply
    10,740.78x = 16,092.36 × 7,455.96
  4. Step 4: Simplify right side
    10,740.78x = 119,983,992.47
  5. Step 5: Solve for x
    x = 119,983,992.47/10,740.78
  6. Step 6: Final answer
    x = 11,170.88

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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.