Home / 11,688.45-17,535.80-3,369.19

Finding the Fourth Proportional to 11,688.45, 17,535.80 and 3,369.19

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Solution

The fourth proportional to 11,688.45, 17,535.80 and 3,369.19 is: 5,054.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.45 : 17,535.80 = 3,369.19 : x
  2. Step 2: Convert to fraction form
    11,688.45/17,535.80 = 3,369.19/x
  3. Step 3: Cross multiply
    11,688.45x = 17,535.80 × 3,369.19
  4. Step 4: Simplify right side
    11,688.45x = 59,081,442.00
  5. Step 5: Solve for x
    x = 59,081,442.00/11,688.45
  6. Step 6: Final answer
    x = 5,054.69

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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.