Home / 10,259.61-15,388.66-3,239.88

Finding the Fourth Proportional to 10,259.61, 15,388.66 and 3,239.88

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Solution

The fourth proportional to 10,259.61, 15,388.66 and 3,239.88 is: 4,859.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,259.61 : 15,388.66 = 3,239.88 : x
  2. Step 2: Convert to fraction form
    10,259.61/15,388.66 = 3,239.88/x
  3. Step 3: Cross multiply
    10,259.61x = 15,388.66 × 3,239.88
  4. Step 4: Simplify right side
    10,259.61x = 49,857,411.76
  5. Step 5: Solve for x
    x = 49,857,411.76/10,259.61
  6. Step 6: Final answer
    x = 4,859.58

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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.