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Finding the Fourth Proportional to 11,790.48, 17,669.48 and 5,950.96

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Solution

The fourth proportional to 11,790.48, 17,669.48 and 5,950.96 is: 8,918.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.48 : 17,669.48 = 5,950.96 : x
  2. Step 2: Convert to fraction form
    11,790.48/17,669.48 = 5,950.96/x
  3. Step 3: Cross multiply
    11,790.48x = 17,669.48 × 5,950.96
  4. Step 4: Simplify right side
    11,790.48x = 105,150,368.70
  5. Step 5: Solve for x
    x = 105,150,368.70/11,790.48
  6. Step 6: Final answer
    x = 8,918.24

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1.5x scale

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.