Home / 17,578.54-26,359.29-6,490.45

Finding the Fourth Proportional to 17,578.54, 26,359.29 and 6,490.45

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Solution

The fourth proportional to 17,578.54, 26,359.29 and 6,490.45 is: 9,732.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,578.54 : 26,359.29 = 6,490.45 : x
  2. Step 2: Convert to fraction form
    17,578.54/26,359.29 = 6,490.45/x
  3. Step 3: Cross multiply
    17,578.54x = 26,359.29 × 6,490.45
  4. Step 4: Simplify right side
    17,578.54x = 171,083,653.78
  5. Step 5: Solve for x
    x = 171,083,653.78/17,578.54
  6. Step 6: Final answer
    x = 9,732.53

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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.