Home / 14,109.96-21,165.30-4,249.56

Finding the Fourth Proportional to 14,109.96, 21,165.30 and 4,249.56

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Solution

The fourth proportional to 14,109.96, 21,165.30 and 4,249.56 is: 6,374.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,109.96 : 21,165.30 = 4,249.56 : x
  2. Step 2: Convert to fraction form
    14,109.96/21,165.30 = 4,249.56/x
  3. Step 3: Cross multiply
    14,109.96x = 21,165.30 × 4,249.56
  4. Step 4: Simplify right side
    14,109.96x = 89,943,212.27
  5. Step 5: Solve for x
    x = 89,943,212.27/14,109.96
  6. Step 6: Final answer
    x = 6,374.45

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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.