Home / 13,222.38-19,827.80-4,454.94

Finding the Fourth Proportional to 13,222.38, 19,827.80 and 4,454.94

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Solution

The fourth proportional to 13,222.38, 19,827.80 and 4,454.94 is: 6,680.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,222.38 : 19,827.80 = 4,454.94 : x
  2. Step 2: Convert to fraction form
    13,222.38/19,827.80 = 4,454.94/x
  3. Step 3: Cross multiply
    13,222.38x = 19,827.80 × 4,454.94
  4. Step 4: Simplify right side
    13,222.38x = 88,331,659.33
  5. Step 5: Solve for x
    x = 88,331,659.33/13,222.38
  6. Step 6: Final answer
    x = 6,680.47

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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.