Home / 13,249.43-19,861.18-6,328.79

Finding the Fourth Proportional to 13,249.43, 19,861.18 and 6,328.79

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Solution

The fourth proportional to 13,249.43, 19,861.18 and 6,328.79 is: 9,486.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.43 : 19,861.18 = 6,328.79 : x
  2. Step 2: Convert to fraction form
    13,249.43/19,861.18 = 6,328.79/x
  3. Step 3: Cross multiply
    13,249.43x = 19,861.18 × 6,328.79
  4. Step 4: Simplify right side
    13,249.43x = 125,697,237.37
  5. Step 5: Solve for x
    x = 125,697,237.37/13,249.43
  6. Step 6: Final answer
    x = 9,486.99

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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.