Home / 11,948.10-17,921.25-4,832.79

Finding the Fourth Proportional to 11,948.10, 17,921.25 and 4,832.79

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Solution

The fourth proportional to 11,948.10, 17,921.25 and 4,832.79 is: 7,248.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.10 : 17,921.25 = 4,832.79 : x
  2. Step 2: Convert to fraction form
    11,948.10/17,921.25 = 4,832.79/x
  3. Step 3: Cross multiply
    11,948.10x = 17,921.25 × 4,832.79
  4. Step 4: Simplify right side
    11,948.10x = 86,609,637.79
  5. Step 5: Solve for x
    x = 86,609,637.79/11,948.10
  6. Step 6: Final answer
    x = 7,248.82

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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.