Home / 13,200.91-19,801.37-4,435.83

Finding the Fourth Proportional to 13,200.91, 19,801.37 and 4,435.83

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Solution

The fourth proportional to 13,200.91, 19,801.37 and 4,435.83 is: 6,653.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200.91 : 19,801.37 = 4,435.83 : x
  2. Step 2: Convert to fraction form
    13,200.91/19,801.37 = 4,435.83/x
  3. Step 3: Cross multiply
    13,200.91x = 19,801.37 × 4,435.83
  4. Step 4: Simplify right side
    13,200.91x = 87,835,511.09
  5. Step 5: Solve for x
    x = 87,835,511.09/13,200.91
  6. Step 6: Final answer
    x = 6,653.75

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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.