Home / 10,288.41-15,432.50-2,497.22

Finding the Fourth Proportional to 10,288.41, 15,432.50 and 2,497.22

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Solution

The fourth proportional to 10,288.41, 15,432.50 and 2,497.22 is: 3,745.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.41 : 15,432.50 = 2,497.22 : x
  2. Step 2: Convert to fraction form
    10,288.41/15,432.50 = 2,497.22/x
  3. Step 3: Cross multiply
    10,288.41x = 15,432.50 × 2,497.22
  4. Step 4: Simplify right side
    10,288.41x = 38,538,392.47
  5. Step 5: Solve for x
    x = 38,538,392.47/10,288.41
  6. Step 6: Final answer
    x = 3,745.81

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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.