Home / 14,135.96-21,200.70-6,347

Finding the Fourth Proportional to 14,135.96, 21,200.70 and 6,347

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Solution

The fourth proportional to 14,135.96, 21,200.70 and 6,347 is: 9,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.96 : 21,200.70 = 6,347 : x
  2. Step 2: Convert to fraction form
    14,135.96/21,200.70 = 6,347/x
  3. Step 3: Cross multiply
    14,135.96x = 21,200.70 × 6,347
  4. Step 4: Simplify right side
    14,135.96x = 134,560,842.90
  5. Step 5: Solve for x
    x = 134,560,842.90/14,135.96
  6. Step 6: Final answer
    x = 9,519.05

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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.