Home / 11,293.72-15,587.93-7,517.03

Finding the Fourth Proportional to 11,293.72, 15,587.93 and 7,517.03

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Solution

The fourth proportional to 11,293.72, 15,587.93 and 7,517.03 is: 10,375.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,293.72 : 15,587.93 = 7,517.03 : x
  2. Step 2: Convert to fraction form
    11,293.72/15,587.93 = 7,517.03/x
  3. Step 3: Cross multiply
    11,293.72x = 15,587.93 × 7,517.03
  4. Step 4: Simplify right side
    11,293.72x = 117,174,918.66
  5. Step 5: Solve for x
    x = 117,174,918.66/11,293.72
  6. Step 6: Final answer
    x = 10,375.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.