Home / 14,107.77-21,146.67-4,739.31

Finding the Fourth Proportional to 14,107.77, 21,146.67 and 4,739.31

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Solution

The fourth proportional to 14,107.77, 21,146.67 and 4,739.31 is: 7,103.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,107.77 : 21,146.67 = 4,739.31 : x
  2. Step 2: Convert to fraction form
    14,107.77/21,146.67 = 4,739.31/x
  3. Step 3: Cross multiply
    14,107.77x = 21,146.67 × 4,739.31
  4. Step 4: Simplify right side
    14,107.77x = 100,220,624.60
  5. Step 5: Solve for x
    x = 100,220,624.60/14,107.77
  6. Step 6: Final answer
    x = 7,103.93

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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.