Home / 17,170.79-25,740.59-7,805.84

Finding the Fourth Proportional to 17,170.79, 25,740.59 and 7,805.84

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Solution

The fourth proportional to 17,170.79, 25,740.59 and 7,805.84 is: 11,701.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,170.79 : 25,740.59 = 7,805.84 : x
  2. Step 2: Convert to fraction form
    17,170.79/25,740.59 = 7,805.84/x
  3. Step 3: Cross multiply
    17,170.79x = 25,740.59 × 7,805.84
  4. Step 4: Simplify right side
    17,170.79x = 200,926,759.31
  5. Step 5: Solve for x
    x = 200,926,759.31/17,170.79
  6. Step 6: Final answer
    x = 11,701.66

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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.