Home / 14,100.75-21,160.85-4,866.75

Finding the Fourth Proportional to 14,100.75, 21,160.85 and 4,866.75

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Solution

The fourth proportional to 14,100.75, 21,160.85 and 4,866.75 is: 7,303.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100.75 : 21,160.85 = 4,866.75 : x
  2. Step 2: Convert to fraction form
    14,100.75/21,160.85 = 4,866.75/x
  3. Step 3: Cross multiply
    14,100.75x = 21,160.85 × 4,866.75
  4. Step 4: Simplify right side
    14,100.75x = 102,984,542.40
  5. Step 5: Solve for x
    x = 102,984,542.40/14,100.75
  6. Step 6: Final answer
    x = 7,303.48

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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.