Home / 13,966.35-19,272.42-8,222.89

Finding the Fourth Proportional to 13,966.35, 19,272.42 and 8,222.89

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Solution

The fourth proportional to 13,966.35, 19,272.42 and 8,222.89 is: 11,346.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.35 : 19,272.42 = 8,222.89 : x
  2. Step 2: Convert to fraction form
    13,966.35/19,272.42 = 8,222.89/x
  3. Step 3: Cross multiply
    13,966.35x = 19,272.42 × 8,222.89
  4. Step 4: Simplify right side
    13,966.35x = 158,474,989.69
  5. Step 5: Solve for x
    x = 158,474,989.69/13,966.35
  6. Step 6: Final answer
    x = 11,346.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.