Home / 13,249.38-19,861.71-4,478.16

Finding the Fourth Proportional to 13,249.38, 19,861.71 and 4,478.16

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Solution

The fourth proportional to 13,249.38, 19,861.71 and 4,478.16 is: 6,713.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.38 : 19,861.71 = 4,478.16 : x
  2. Step 2: Convert to fraction form
    13,249.38/19,861.71 = 4,478.16/x
  3. Step 3: Cross multiply
    13,249.38x = 19,861.71 × 4,478.16
  4. Step 4: Simplify right side
    13,249.38x = 88,943,899.00
  5. Step 5: Solve for x
    x = 88,943,899.00/13,249.38
  6. Step 6: Final answer
    x = 6,713.06

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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.