Home / 10,828.81-16,244.76-3,433.91

Finding the Fourth Proportional to 10,828.81, 16,244.76 and 3,433.91

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Solution

The fourth proportional to 10,828.81, 16,244.76 and 3,433.91 is: 5,151.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828.81 : 16,244.76 = 3,433.91 : x
  2. Step 2: Convert to fraction form
    10,828.81/16,244.76 = 3,433.91/x
  3. Step 3: Cross multiply
    10,828.81x = 16,244.76 × 3,433.91
  4. Step 4: Simplify right side
    10,828.81x = 55,783,043.81
  5. Step 5: Solve for x
    x = 55,783,043.81/10,828.81
  6. Step 6: Final answer
    x = 5,151.35

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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.