Home / 13,222.41-19,829.57-4,454.97

Finding the Fourth Proportional to 13,222.41, 19,829.57 and 4,454.97

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Solution

The fourth proportional to 13,222.41, 19,829.57 and 4,454.97 is: 6,681.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,222.41 : 19,829.57 = 4,454.97 : x
  2. Step 2: Convert to fraction form
    13,222.41/19,829.57 = 4,454.97/x
  3. Step 3: Cross multiply
    13,222.41x = 19,829.57 × 4,454.97
  4. Step 4: Simplify right side
    13,222.41x = 88,340,117.19
  5. Step 5: Solve for x
    x = 88,340,117.19/13,222.41
  6. Step 6: Final answer
    x = 6,681.09

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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.