Home / 13,546.62-18,708.96-9,308.88

Finding the Fourth Proportional to 13,546.62, 18,708.96 and 9,308.88

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Solution

The fourth proportional to 13,546.62, 18,708.96 and 9,308.88 is: 12,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,546.62 : 18,708.96 = 9,308.88 : x
  2. Step 2: Convert to fraction form
    13,546.62/18,708.96 = 9,308.88/x
  3. Step 3: Cross multiply
    13,546.62x = 18,708.96 × 9,308.88
  4. Step 4: Simplify right side
    13,546.62x = 174,159,463.56
  5. Step 5: Solve for x
    x = 174,159,463.56/13,546.62
  6. Step 6: Final answer
    x = 12,856.30

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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.