Home / 13,220.94-19,833.70-4,455.92

Finding the Fourth Proportional to 13,220.94, 19,833.70 and 4,455.92

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Solution

The fourth proportional to 13,220.94, 19,833.70 and 4,455.92 is: 6,684.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,220.94 : 19,833.70 = 4,455.92 : x
  2. Step 2: Convert to fraction form
    13,220.94/19,833.70 = 4,455.92/x
  3. Step 3: Cross multiply
    13,220.94x = 19,833.70 × 4,455.92
  4. Step 4: Simplify right side
    13,220.94x = 88,377,380.50
  5. Step 5: Solve for x
    x = 88,377,380.50/13,220.94
  6. Step 6: Final answer
    x = 6,684.65

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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.