Home / 13,194.64-19,789.52-3,577.70

Finding the Fourth Proportional to 13,194.64, 19,789.52 and 3,577.70

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Solution

The fourth proportional to 13,194.64, 19,789.52 and 3,577.70 is: 5,365.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.64 : 19,789.52 = 3,577.70 : x
  2. Step 2: Convert to fraction form
    13,194.64/19,789.52 = 3,577.70/x
  3. Step 3: Cross multiply
    13,194.64x = 19,789.52 × 3,577.70
  4. Step 4: Simplify right side
    13,194.64x = 70,800,875.70
  5. Step 5: Solve for x
    x = 70,800,875.70/13,194.64
  6. Step 6: Final answer
    x = 5,365.88

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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.