Home / 17,285.94-25,922.40-7,420.14

Finding the Fourth Proportional to 17,285.94, 25,922.40 and 7,420.14

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Solution

The fourth proportional to 17,285.94, 25,922.40 and 7,420.14 is: 11,127.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,285.94 : 25,922.40 = 7,420.14 : x
  2. Step 2: Convert to fraction form
    17,285.94/25,922.40 = 7,420.14/x
  3. Step 3: Cross multiply
    17,285.94x = 25,922.40 × 7,420.14
  4. Step 4: Simplify right side
    17,285.94x = 192,347,837.14
  5. Step 5: Solve for x
    x = 192,347,837.14/17,285.94
  6. Step 6: Final answer
    x = 11,127.42

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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.