Home / 9,385.80-14,068.86-3,144.28

Finding the Fourth Proportional to 9,385.80, 14,068.86 and 3,144.28

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Solution

The fourth proportional to 9,385.80, 14,068.86 and 3,144.28 is: 4,713.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,385.80 : 14,068.86 = 3,144.28 : x
  2. Step 2: Convert to fraction form
    9,385.80/14,068.86 = 3,144.28/x
  3. Step 3: Cross multiply
    9,385.80x = 14,068.86 × 3,144.28
  4. Step 4: Simplify right side
    9,385.80x = 44,236,435.12
  5. Step 5: Solve for x
    x = 44,236,435.12/9,385.80
  6. Step 6: Final answer
    x = 4,713.12

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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.