Home / 18,942.58-26,149.56-13,495.16

Finding the Fourth Proportional to 18,942.58, 26,149.56 and 13,495.16

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Solution

The fourth proportional to 18,942.58, 26,149.56 and 13,495.16 is: 18,629.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,942.58 : 26,149.56 = 13,495.16 : x
  2. Step 2: Convert to fraction form
    18,942.58/26,149.56 = 13,495.16/x
  3. Step 3: Cross multiply
    18,942.58x = 26,149.56 × 13,495.16
  4. Step 4: Simplify right side
    18,942.58x = 352,892,380.41
  5. Step 5: Solve for x
    x = 352,892,380.41/18,942.58
  6. Step 6: Final answer
    x = 18,629.58

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1.5x scale

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.