Home / 9,428.86-14,137.87-3,886.03

Finding the Fourth Proportional to 9,428.86, 14,137.87 and 3,886.03

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Solution

The fourth proportional to 9,428.86, 14,137.87 and 3,886.03 is: 5,826.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.86 : 14,137.87 = 3,886.03 : x
  2. Step 2: Convert to fraction form
    9,428.86/14,137.87 = 3,886.03/x
  3. Step 3: Cross multiply
    9,428.86x = 14,137.87 × 3,886.03
  4. Step 4: Simplify right side
    9,428.86x = 54,940,186.96
  5. Step 5: Solve for x
    x = 54,940,186.96/9,428.86
  6. Step 6: Final answer
    x = 5,826.81

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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.