Home / 13,020.60-17,949.59-8,536.58

Finding the Fourth Proportional to 13,020.60, 17,949.59 and 8,536.58

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Solution

The fourth proportional to 13,020.60, 17,949.59 and 8,536.58 is: 11,768.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020.60 : 17,949.59 = 8,536.58 : x
  2. Step 2: Convert to fraction form
    13,020.60/17,949.59 = 8,536.58/x
  3. Step 3: Cross multiply
    13,020.60x = 17,949.59 × 8,536.58
  4. Step 4: Simplify right side
    13,020.60x = 153,227,978.57
  5. Step 5: Solve for x
    x = 153,227,978.57/13,020.60
  6. Step 6: Final answer
    x = 11,768.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.