Home / 10,399.08-15,589.36-3,823.74

Finding the Fourth Proportional to 10,399.08, 15,589.36 and 3,823.74

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Solution

The fourth proportional to 10,399.08, 15,589.36 and 3,823.74 is: 5,732.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399.08 : 15,589.36 = 3,823.74 : x
  2. Step 2: Convert to fraction form
    10,399.08/15,589.36 = 3,823.74/x
  3. Step 3: Cross multiply
    10,399.08x = 15,589.36 × 3,823.74
  4. Step 4: Simplify right side
    10,399.08x = 59,609,659.41
  5. Step 5: Solve for x
    x = 59,609,659.41/10,399.08
  6. Step 6: Final answer
    x = 5,732.21

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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.