Home / 14,093.88-21,137.04-4,230.96

Finding the Fourth Proportional to 14,093.88, 21,137.04 and 4,230.96

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Solution

The fourth proportional to 14,093.88, 21,137.04 and 4,230.96 is: 6,345.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,093.88 : 21,137.04 = 4,230.96 : x
  2. Step 2: Convert to fraction form
    14,093.88/21,137.04 = 4,230.96/x
  3. Step 3: Cross multiply
    14,093.88x = 21,137.04 × 4,230.96
  4. Step 4: Simplify right side
    14,093.88x = 89,429,970.76
  5. Step 5: Solve for x
    x = 89,429,970.76/14,093.88
  6. Step 6: Final answer
    x = 6,345.31

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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.