Home / 13,934.37-20,897.31-5,048.64

Finding the Fourth Proportional to 13,934.37, 20,897.31 and 5,048.64

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Solution

The fourth proportional to 13,934.37, 20,897.31 and 5,048.64 is: 7,571.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.37 : 20,897.31 = 5,048.64 : x
  2. Step 2: Convert to fraction form
    13,934.37/20,897.31 = 5,048.64/x
  3. Step 3: Cross multiply
    13,934.37x = 20,897.31 × 5,048.64
  4. Step 4: Simplify right side
    13,934.37x = 105,502,995.16
  5. Step 5: Solve for x
    x = 105,502,995.16/13,934.37
  6. Step 6: Final answer
    x = 7,571.42

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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.