Home / 13,200.85-19,801.58-4,435.84

Finding the Fourth Proportional to 13,200.85, 19,801.58 and 4,435.84

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Solution

The fourth proportional to 13,200.85, 19,801.58 and 4,435.84 is: 6,653.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200.85 : 19,801.58 = 4,435.84 : x
  2. Step 2: Convert to fraction form
    13,200.85/19,801.58 = 4,435.84/x
  3. Step 3: Cross multiply
    13,200.85x = 19,801.58 × 4,435.84
  4. Step 4: Simplify right side
    13,200.85x = 87,836,668.15
  5. Step 5: Solve for x
    x = 87,836,668.15/13,200.85
  6. Step 6: Final answer
    x = 6,653.86

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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.