Home / 17,178.60-25,772.76-6,651.84

Finding the Fourth Proportional to 17,178.60, 25,772.76 and 6,651.84

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Solution

The fourth proportional to 17,178.60, 25,772.76 and 6,651.84 is: 9,979.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,178.60 : 25,772.76 = 6,651.84 : x
  2. Step 2: Convert to fraction form
    17,178.60/25,772.76 = 6,651.84/x
  3. Step 3: Cross multiply
    17,178.60x = 25,772.76 × 6,651.84
  4. Step 4: Simplify right side
    17,178.60x = 171,436,275.88
  5. Step 5: Solve for x
    x = 171,436,275.88/17,178.60
  6. Step 6: Final answer
    x = 9,979.64

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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.