Home / 17,181.61-25,777.41-7,191.07

Finding the Fourth Proportional to 17,181.61, 25,777.41 and 7,191.07

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Solution

The fourth proportional to 17,181.61, 25,777.41 and 7,191.07 is: 10,788.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,181.61 : 25,777.41 = 7,191.07 : x
  2. Step 2: Convert to fraction form
    17,181.61/25,777.41 = 7,191.07/x
  3. Step 3: Cross multiply
    17,181.61x = 25,777.41 × 7,191.07
  4. Step 4: Simplify right side
    17,181.61x = 185,367,159.73
  5. Step 5: Solve for x
    x = 185,367,159.73/17,181.61
  6. Step 6: Final answer
    x = 10,788.70

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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.