Home / 11,935.48-17,903.24-3,171.28

Finding the Fourth Proportional to 11,935.48, 17,903.24 and 3,171.28

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Solution

The fourth proportional to 11,935.48, 17,903.24 and 3,171.28 is: 4,756.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,935.48 : 17,903.24 = 3,171.28 : x
  2. Step 2: Convert to fraction form
    11,935.48/17,903.24 = 3,171.28/x
  3. Step 3: Cross multiply
    11,935.48x = 17,903.24 × 3,171.28
  4. Step 4: Simplify right side
    11,935.48x = 56,776,186.95
  5. Step 5: Solve for x
    x = 56,776,186.95/11,935.48
  6. Step 6: Final answer
    x = 4,756.93

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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.