Home / 17,135.20-25,699.56-7,274.80

Finding the Fourth Proportional to 17,135.20, 25,699.56 and 7,274.80

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Solution

The fourth proportional to 17,135.20, 25,699.56 and 7,274.80 is: 10,910.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,135.20 : 25,699.56 = 7,274.80 : x
  2. Step 2: Convert to fraction form
    17,135.20/25,699.56 = 7,274.80/x
  3. Step 3: Cross multiply
    17,135.20x = 25,699.56 × 7,274.80
  4. Step 4: Simplify right side
    17,135.20x = 186,959,159.09
  5. Step 5: Solve for x
    x = 186,959,159.09/17,135.20
  6. Step 6: Final answer
    x = 10,910.82

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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.