Home / 17,179.60-25,754.40-6,656.80

Finding the Fourth Proportional to 17,179.60, 25,754.40 and 6,656.80

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Solution

The fourth proportional to 17,179.60, 25,754.40 and 6,656.80 is: 9,979.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,179.60 : 25,754.40 = 6,656.80 : x
  2. Step 2: Convert to fraction form
    17,179.60/25,754.40 = 6,656.80/x
  3. Step 3: Cross multiply
    17,179.60x = 25,754.40 × 6,656.80
  4. Step 4: Simplify right side
    17,179.60x = 171,441,889.92
  5. Step 5: Solve for x
    x = 171,441,889.92/17,179.60
  6. Step 6: Final answer
    x = 9,979.39

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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.