Home / 10,257.47-15,388.98-3,237.77

Finding the Fourth Proportional to 10,257.47, 15,388.98 and 3,237.77

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Solution

The fourth proportional to 10,257.47, 15,388.98 and 3,237.77 is: 4,857.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.47 : 15,388.98 = 3,237.77 : x
  2. Step 2: Convert to fraction form
    10,257.47/15,388.98 = 3,237.77/x
  3. Step 3: Cross multiply
    10,257.47x = 15,388.98 × 3,237.77
  4. Step 4: Simplify right side
    10,257.47x = 49,825,961.59
  5. Step 5: Solve for x
    x = 49,825,961.59/10,257.47
  6. Step 6: Final answer
    x = 4,857.53

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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.