Home / 14,249.70-21,374.55-3,719.69

Finding the Fourth Proportional to 14,249.70, 21,374.55 and 3,719.69

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Solution

The fourth proportional to 14,249.70, 21,374.55 and 3,719.69 is: 5,579.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.70 : 21,374.55 = 3,719.69 : x
  2. Step 2: Convert to fraction form
    14,249.70/21,374.55 = 3,719.69/x
  3. Step 3: Cross multiply
    14,249.70x = 21,374.55 × 3,719.69
  4. Step 4: Simplify right side
    14,249.70x = 79,506,713.84
  5. Step 5: Solve for x
    x = 79,506,713.84/14,249.70
  6. Step 6: Final answer
    x = 5,579.54

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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.