Home / 10,890.19-16,336.68-5,343.67

Finding the Fourth Proportional to 10,890.19, 16,336.68 and 5,343.67

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Solution

The fourth proportional to 10,890.19, 16,336.68 and 5,343.67 is: 8,016.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890.19 : 16,336.68 = 5,343.67 : x
  2. Step 2: Convert to fraction form
    10,890.19/16,336.68 = 5,343.67/x
  3. Step 3: Cross multiply
    10,890.19x = 16,336.68 × 5,343.67
  4. Step 4: Simplify right side
    10,890.19x = 87,297,826.82
  5. Step 5: Solve for x
    x = 87,297,826.82/10,890.19
  6. Step 6: Final answer
    x = 8,016.19

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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.