Home / 10,824.42-16,237.08-3,428.72

Finding the Fourth Proportional to 10,824.42, 16,237.08 and 3,428.72

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Solution

The fourth proportional to 10,824.42, 16,237.08 and 3,428.72 is: 5,143.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,824.42 : 16,237.08 = 3,428.72 : x
  2. Step 2: Convert to fraction form
    10,824.42/16,237.08 = 3,428.72/x
  3. Step 3: Cross multiply
    10,824.42x = 16,237.08 × 3,428.72
  4. Step 4: Simplify right side
    10,824.42x = 55,672,319.75
  5. Step 5: Solve for x
    x = 55,672,319.75/10,824.42
  6. Step 6: Final answer
    x = 5,143.22

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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.