Home / 11,580.51-17,370.64-2,815.43

Finding the Fourth Proportional to 11,580.51, 17,370.64 and 2,815.43

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Solution

The fourth proportional to 11,580.51, 17,370.64 and 2,815.43 is: 4,223.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,580.51 : 17,370.64 = 2,815.43 : x
  2. Step 2: Convert to fraction form
    11,580.51/17,370.64 = 2,815.43/x
  3. Step 3: Cross multiply
    11,580.51x = 17,370.64 × 2,815.43
  4. Step 4: Simplify right side
    11,580.51x = 48,905,819.51
  5. Step 5: Solve for x
    x = 48,905,819.51/11,580.51
  6. Step 6: Final answer
    x = 4,223.12

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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.