Home / 14,396.74-21,558.39-11,479.30

Finding the Fourth Proportional to 14,396.74, 21,558.39 and 11,479.30

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Solution

The fourth proportional to 14,396.74, 21,558.39 and 11,479.30 is: 17,189.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,396.74 : 21,558.39 = 11,479.30 : x
  2. Step 2: Convert to fraction form
    14,396.74/21,558.39 = 11,479.30/x
  3. Step 3: Cross multiply
    14,396.74x = 21,558.39 × 11,479.30
  4. Step 4: Simplify right side
    14,396.74x = 247,475,226.33
  5. Step 5: Solve for x
    x = 247,475,226.33/14,396.74
  6. Step 6: Final answer
    x = 17,189.67

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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.