Home / 9,315.39-13,973.19-3,694.44

Finding the Fourth Proportional to 9,315.39, 13,973.19 and 3,694.44

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Solution

The fourth proportional to 9,315.39, 13,973.19 and 3,694.44 is: 5,541.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.39 : 13,973.19 = 3,694.44 : x
  2. Step 2: Convert to fraction form
    9,315.39/13,973.19 = 3,694.44/x
  3. Step 3: Cross multiply
    9,315.39x = 13,973.19 × 3,694.44
  4. Step 4: Simplify right side
    9,315.39x = 51,623,112.06
  5. Step 5: Solve for x
    x = 51,623,112.06/9,315.39
  6. Step 6: Final answer
    x = 5,541.70

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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.