Home / 10,261.79-15,393.56-3,239.93

Finding the Fourth Proportional to 10,261.79, 15,393.56 and 3,239.93

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Solution

The fourth proportional to 10,261.79, 15,393.56 and 3,239.93 is: 4,860.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.79 : 15,393.56 = 3,239.93 : x
  2. Step 2: Convert to fraction form
    10,261.79/15,393.56 = 3,239.93/x
  3. Step 3: Cross multiply
    10,261.79x = 15,393.56 × 3,239.93
  4. Step 4: Simplify right side
    10,261.79x = 49,873,979.88
  5. Step 5: Solve for x
    x = 49,873,979.88/10,261.79
  6. Step 6: Final answer
    x = 4,860.16

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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.