Home / 10,396.20-14,348.50-5,919.33

Finding the Fourth Proportional to 10,396.20, 14,348.50 and 5,919.33

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Solution

The fourth proportional to 10,396.20, 14,348.50 and 5,919.33 is: 8,169.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,396.20 : 14,348.50 = 5,919.33 : x
  2. Step 2: Convert to fraction form
    10,396.20/14,348.50 = 5,919.33/x
  3. Step 3: Cross multiply
    10,396.20x = 14,348.50 × 5,919.33
  4. Step 4: Simplify right side
    10,396.20x = 84,933,491.71
  5. Step 5: Solve for x
    x = 84,933,491.71/10,396.20
  6. Step 6: Final answer
    x = 8,169.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.