Home / 17,209.80-25,815.78-5,522.76

Finding the Fourth Proportional to 17,209.80, 25,815.78 and 5,522.76

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Solution

The fourth proportional to 17,209.80, 25,815.78 and 5,522.76 is: 8,284.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,209.80 : 25,815.78 = 5,522.76 : x
  2. Step 2: Convert to fraction form
    17,209.80/25,815.78 = 5,522.76/x
  3. Step 3: Cross multiply
    17,209.80x = 25,815.78 × 5,522.76
  4. Step 4: Simplify right side
    17,209.80x = 142,574,357.15
  5. Step 5: Solve for x
    x = 142,574,357.15/17,209.80
  6. Step 6: Final answer
    x = 8,284.49

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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.