Home / 14,146.03-21,222.99-4,285.39

Finding the Fourth Proportional to 14,146.03, 21,222.99 and 4,285.39

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Solution

The fourth proportional to 14,146.03, 21,222.99 and 4,285.39 is: 6,429.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.03 : 21,222.99 = 4,285.39 : x
  2. Step 2: Convert to fraction form
    14,146.03/21,222.99 = 4,285.39/x
  3. Step 3: Cross multiply
    14,146.03x = 21,222.99 × 4,285.39
  4. Step 4: Simplify right side
    14,146.03x = 90,948,789.12
  5. Step 5: Solve for x
    x = 90,948,789.12/14,146.03
  6. Step 6: Final answer
    x = 6,429.28

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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.