Home / 11,215.62-16,856.24-10,401.03

Finding the Fourth Proportional to 11,215.62, 16,856.24 and 10,401.03

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Solution

The fourth proportional to 11,215.62, 16,856.24 and 10,401.03 is: 15,631.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.62 : 16,856.24 = 10,401.03 : x
  2. Step 2: Convert to fraction form
    11,215.62/16,856.24 = 10,401.03/x
  3. Step 3: Cross multiply
    11,215.62x = 16,856.24 × 10,401.03
  4. Step 4: Simplify right side
    11,215.62x = 175,322,205.92
  5. Step 5: Solve for x
    x = 175,322,205.92/11,215.62
  6. Step 6: Final answer
    x = 15,631.97

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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.