Home / 10,740.78-16,111.14-3,345.66

Finding the Fourth Proportional to 10,740.78, 16,111.14 and 3,345.66

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Solution

The fourth proportional to 10,740.78, 16,111.14 and 3,345.66 is: 5,018.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,740.78 : 16,111.14 = 3,345.66 : x
  2. Step 2: Convert to fraction form
    10,740.78/16,111.14 = 3,345.66/x
  3. Step 3: Cross multiply
    10,740.78x = 16,111.14 × 3,345.66
  4. Step 4: Simplify right side
    10,740.78x = 53,902,396.65
  5. Step 5: Solve for x
    x = 53,902,396.65/10,740.78
  6. Step 6: Final answer
    x = 5,018.48

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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.