Home / 11,845.71-17,769.65-8,763.93

Finding the Fourth Proportional to 11,845.71, 17,769.65 and 8,763.93

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Solution

The fourth proportional to 11,845.71, 17,769.65 and 8,763.93 is: 13,146.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.71 : 17,769.65 = 8,763.93 : x
  2. Step 2: Convert to fraction form
    11,845.71/17,769.65 = 8,763.93/x
  3. Step 3: Cross multiply
    11,845.71x = 17,769.65 × 8,763.93
  4. Step 4: Simplify right side
    11,845.71x = 155,731,924.90
  5. Step 5: Solve for x
    x = 155,731,924.90/11,845.71
  6. Step 6: Final answer
    x = 13,146.69

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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.