Home / 9,889.11-14,835.99-2,869.30

Finding the Fourth Proportional to 9,889.11, 14,835.99 and 2,869.30

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Solution

The fourth proportional to 9,889.11, 14,835.99 and 2,869.30 is: 4,304.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,889.11 : 14,835.99 = 2,869.30 : x
  2. Step 2: Convert to fraction form
    9,889.11/14,835.99 = 2,869.30/x
  3. Step 3: Cross multiply
    9,889.11x = 14,835.99 × 2,869.30
  4. Step 4: Simplify right side
    9,889.11x = 42,568,869.48
  5. Step 5: Solve for x
    x = 42,568,869.48/9,889.11
  6. Step 6: Final answer
    x = 4,304.62

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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.