Home / 13,308.68-19,966.80-6,733.64

Finding the Fourth Proportional to 13,308.68, 19,966.80 and 6,733.64

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Solution

The fourth proportional to 13,308.68, 19,966.80 and 6,733.64 is: 10,102.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308.68 : 19,966.80 = 6,733.64 : x
  2. Step 2: Convert to fraction form
    13,308.68/19,966.80 = 6,733.64/x
  3. Step 3: Cross multiply
    13,308.68x = 19,966.80 × 6,733.64
  4. Step 4: Simplify right side
    13,308.68x = 134,449,243.15
  5. Step 5: Solve for x
    x = 134,449,243.15/13,308.68
  6. Step 6: Final answer
    x = 10,102.37

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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.