Home / 9,375.12-14,061.21-3,135.09

Finding the Fourth Proportional to 9,375.12, 14,061.21 and 3,135.09

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Solution

The fourth proportional to 9,375.12, 14,061.21 and 3,135.09 is: 4,702.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,375.12 : 14,061.21 = 3,135.09 : x
  2. Step 2: Convert to fraction form
    9,375.12/14,061.21 = 3,135.09/x
  3. Step 3: Cross multiply
    9,375.12x = 14,061.21 × 3,135.09
  4. Step 4: Simplify right side
    9,375.12x = 44,083,158.86
  5. Step 5: Solve for x
    x = 44,083,158.86/9,375.12
  6. Step 6: Final answer
    x = 4,702.14

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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.