Home / 11,003.08-15,185.06-6,287.26

Finding the Fourth Proportional to 11,003.08, 15,185.06 and 6,287.26

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Solution

The fourth proportional to 11,003.08, 15,185.06 and 6,287.26 is: 8,676.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003.08 : 15,185.06 = 6,287.26 : x
  2. Step 2: Convert to fraction form
    11,003.08/15,185.06 = 6,287.26/x
  3. Step 3: Cross multiply
    11,003.08x = 15,185.06 × 6,287.26
  4. Step 4: Simplify right side
    11,003.08x = 95,472,420.34
  5. Step 5: Solve for x
    x = 95,472,420.34/11,003.08
  6. Step 6: Final answer
    x = 8,676.88

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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.