Home / 13,308.12-19,963.06-5,517.56

Finding the Fourth Proportional to 13,308.12, 19,963.06 and 5,517.56

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Solution

The fourth proportional to 13,308.12, 19,963.06 and 5,517.56 is: 8,276.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308.12 : 19,963.06 = 5,517.56 : x
  2. Step 2: Convert to fraction form
    13,308.12/19,963.06 = 5,517.56/x
  3. Step 3: Cross multiply
    13,308.12x = 19,963.06 × 5,517.56
  4. Step 4: Simplify right side
    13,308.12x = 110,147,381.33
  5. Step 5: Solve for x
    x = 110,147,381.33/13,308.12
  6. Step 6: Final answer
    x = 8,276.70

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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.