Home / 13,923.14-20,879.54-5,600.31

Finding the Fourth Proportional to 13,923.14, 20,879.54 and 5,600.31

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Solution

The fourth proportional to 13,923.14, 20,879.54 and 5,600.31 is: 8,398.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.14 : 20,879.54 = 5,600.31 : x
  2. Step 2: Convert to fraction form
    13,923.14/20,879.54 = 5,600.31/x
  3. Step 3: Cross multiply
    13,923.14x = 20,879.54 × 5,600.31
  4. Step 4: Simplify right side
    13,923.14x = 116,931,811.36
  5. Step 5: Solve for x
    x = 116,931,811.36/13,923.14
  6. Step 6: Final answer
    x = 8,398.38

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1.5x scale

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.