Home / 13,262.82-19,889.97-4,376.16

Finding the Fourth Proportional to 13,262.82, 19,889.97 and 4,376.16

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Solution

The fourth proportional to 13,262.82, 19,889.97 and 4,376.16 is: 6,562.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262.82 : 19,889.97 = 4,376.16 : x
  2. Step 2: Convert to fraction form
    13,262.82/19,889.97 = 4,376.16/x
  3. Step 3: Cross multiply
    13,262.82x = 19,889.97 × 4,376.16
  4. Step 4: Simplify right side
    13,262.82x = 87,041,591.67
  5. Step 5: Solve for x
    x = 87,041,591.67/13,262.82
  6. Step 6: Final answer
    x = 6,562.83

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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.