Home / 11,345.90-17,012.97-5,100.57

Finding the Fourth Proportional to 11,345.90, 17,012.97 and 5,100.57

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Solution

The fourth proportional to 11,345.90, 17,012.97 and 5,100.57 is: 7,648.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.90 : 17,012.97 = 5,100.57 : x
  2. Step 2: Convert to fraction form
    11,345.90/17,012.97 = 5,100.57/x
  3. Step 3: Cross multiply
    11,345.90x = 17,012.97 × 5,100.57
  4. Step 4: Simplify right side
    11,345.90x = 86,775,844.39
  5. Step 5: Solve for x
    x = 86,775,844.39/11,345.90
  6. Step 6: Final answer
    x = 7,648.22

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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.