Home / 14,267.26-21,398.46-3,879.01

Finding the Fourth Proportional to 14,267.26, 21,398.46 and 3,879.01

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Solution

The fourth proportional to 14,267.26, 21,398.46 and 3,879.01 is: 5,817.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,267.26 : 21,398.46 = 3,879.01 : x
  2. Step 2: Convert to fraction form
    14,267.26/21,398.46 = 3,879.01/x
  3. Step 3: Cross multiply
    14,267.26x = 21,398.46 × 3,879.01
  4. Step 4: Simplify right side
    14,267.26x = 83,004,840.32
  5. Step 5: Solve for x
    x = 83,004,840.32/14,267.26
  6. Step 6: Final answer
    x = 5,817.85

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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.