Home / 17,650.90-26,476.38-7,790.20

Finding the Fourth Proportional to 17,650.90, 26,476.38 and 7,790.20

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Solution

The fourth proportional to 17,650.90, 26,476.38 and 7,790.20 is: 11,685.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,650.90 : 26,476.38 = 7,790.20 : x
  2. Step 2: Convert to fraction form
    17,650.90/26,476.38 = 7,790.20/x
  3. Step 3: Cross multiply
    17,650.90x = 26,476.38 × 7,790.20
  4. Step 4: Simplify right side
    17,650.90x = 206,256,295.48
  5. Step 5: Solve for x
    x = 206,256,295.48/17,650.90
  6. Step 6: Final answer
    x = 11,685.31

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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.