Home / 9,428.74-14,137.68-3,885.91

Finding the Fourth Proportional to 9,428.74, 14,137.68 and 3,885.91

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Solution

The fourth proportional to 9,428.74, 14,137.68 and 3,885.91 is: 5,826.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.74 : 14,137.68 = 3,885.91 : x
  2. Step 2: Convert to fraction form
    9,428.74/14,137.68 = 3,885.91/x
  3. Step 3: Cross multiply
    9,428.74x = 14,137.68 × 3,885.91
  4. Step 4: Simplify right side
    9,428.74x = 54,937,716.74
  5. Step 5: Solve for x
    x = 54,937,716.74/9,428.74
  6. Step 6: Final answer
    x = 5,826.62

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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.