Home / 13,955.14-20,932.71-3,566.89

Finding the Fourth Proportional to 13,955.14, 20,932.71 and 3,566.89

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Solution

The fourth proportional to 13,955.14, 20,932.71 and 3,566.89 is: 5,350.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.14 : 20,932.71 = 3,566.89 : x
  2. Step 2: Convert to fraction form
    13,955.14/20,932.71 = 3,566.89/x
  3. Step 3: Cross multiply
    13,955.14x = 20,932.71 × 3,566.89
  4. Step 4: Simplify right side
    13,955.14x = 74,664,673.97
  5. Step 5: Solve for x
    x = 74,664,673.97/13,955.14
  6. Step 6: Final answer
    x = 5,350.34

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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.