Home / 10,640.88-15,963.75-5,095.62

Finding the Fourth Proportional to 10,640.88, 15,963.75 and 5,095.62

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Solution

The fourth proportional to 10,640.88, 15,963.75 and 5,095.62 is: 7,644.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640.88 : 15,963.75 = 5,095.62 : x
  2. Step 2: Convert to fraction form
    10,640.88/15,963.75 = 5,095.62/x
  3. Step 3: Cross multiply
    10,640.88x = 15,963.75 × 5,095.62
  4. Step 4: Simplify right side
    10,640.88x = 81,345,203.78
  5. Step 5: Solve for x
    x = 81,345,203.78/10,640.88
  6. Step 6: Final answer
    x = 7,644.59

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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.