Home / 11,918.48-16,447.45-6,541.00

Finding the Fourth Proportional to 11,918.48, 16,447.45 and 6,541.00

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Solution

The fourth proportional to 11,918.48, 16,447.45 and 6,541.00 is: 9,026.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918.48 : 16,447.45 = 6,541.00 : x
  2. Step 2: Convert to fraction form
    11,918.48/16,447.45 = 6,541.00/x
  3. Step 3: Cross multiply
    11,918.48x = 16,447.45 × 6,541.00
  4. Step 4: Simplify right side
    11,918.48x = 107,582,774.66
  5. Step 5: Solve for x
    x = 107,582,774.66/11,918.48
  6. Step 6: Final answer
    x = 9,026.56

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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.