Home / 11,018.48-15,207.45-6,238.70

Finding the Fourth Proportional to 11,018.48, 15,207.45 and 6,238.70

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Solution

The fourth proportional to 11,018.48, 15,207.45 and 6,238.70 is: 8,610.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018.48 : 15,207.45 = 6,238.70 : x
  2. Step 2: Convert to fraction form
    11,018.48/15,207.45 = 6,238.70/x
  3. Step 3: Cross multiply
    11,018.48x = 15,207.45 × 6,238.70
  4. Step 4: Simplify right side
    11,018.48x = 94,874,642.28
  5. Step 5: Solve for x
    x = 94,874,642.28/11,018.48
  6. Step 6: Final answer
    x = 8,610.51

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