Home / 10,438.59-15,647.32-4,197.41

Finding the Fourth Proportional to 10,438.59, 15,647.32 and 4,197.41

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Solution

The fourth proportional to 10,438.59, 15,647.32 and 4,197.41 is: 6,291.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438.59 : 15,647.32 = 4,197.41 : x
  2. Step 2: Convert to fraction form
    10,438.59/15,647.32 = 4,197.41/x
  3. Step 3: Cross multiply
    10,438.59x = 15,647.32 × 4,197.41
  4. Step 4: Simplify right side
    10,438.59x = 65,678,217.44
  5. Step 5: Solve for x
    x = 65,678,217.44/10,438.59
  6. Step 6: Final answer
    x = 6,291.87

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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.