Home / 11,966.12-17,951.40-3,646.88

Finding the Fourth Proportional to 11,966.12, 17,951.40 and 3,646.88

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Solution

The fourth proportional to 11,966.12, 17,951.40 and 3,646.88 is: 5,471.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,966.12 : 17,951.40 = 3,646.88 : x
  2. Step 2: Convert to fraction form
    11,966.12/17,951.40 = 3,646.88/x
  3. Step 3: Cross multiply
    11,966.12x = 17,951.40 × 3,646.88
  4. Step 4: Simplify right side
    11,966.12x = 65,466,601.63
  5. Step 5: Solve for x
    x = 65,466,601.63/11,966.12
  6. Step 6: Final answer
    x = 5,471.00

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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.