Home / 17,166.52-25,750.68-5,478.80

Finding the Fourth Proportional to 17,166.52, 25,750.68 and 5,478.80

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Solution

The fourth proportional to 17,166.52, 25,750.68 and 5,478.80 is: 8,218.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,166.52 : 25,750.68 = 5,478.80 : x
  2. Step 2: Convert to fraction form
    17,166.52/25,750.68 = 5,478.80/x
  3. Step 3: Cross multiply
    17,166.52x = 25,750.68 × 5,478.80
  4. Step 4: Simplify right side
    17,166.52x = 141,082,825.58
  5. Step 5: Solve for x
    x = 141,082,825.58/17,166.52
  6. Step 6: Final answer
    x = 8,218.49

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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.