Home / 10,818.30-16,225.11-3,423.36

Finding the Fourth Proportional to 10,818.30, 16,225.11 and 3,423.36

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Solution

The fourth proportional to 10,818.30, 16,225.11 and 3,423.36 is: 5,134.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818.30 : 16,225.11 = 3,423.36 : x
  2. Step 2: Convert to fraction form
    10,818.30/16,225.11 = 3,423.36/x
  3. Step 3: Cross multiply
    10,818.30x = 16,225.11 × 3,423.36
  4. Step 4: Simplify right side
    10,818.30x = 55,544,392.57
  5. Step 5: Solve for x
    x = 55,544,392.57/10,818.30
  6. Step 6: Final answer
    x = 5,134.30

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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.