Home / 11,283.05-16,921.84-4,709.29

Finding the Fourth Proportional to 11,283.05, 16,921.84 and 4,709.29

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Solution

The fourth proportional to 11,283.05, 16,921.84 and 4,709.29 is: 7,062.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,283.05 : 16,921.84 = 4,709.29 : x
  2. Step 2: Convert to fraction form
    11,283.05/16,921.84 = 4,709.29/x
  3. Step 3: Cross multiply
    11,283.05x = 16,921.84 × 4,709.29
  4. Step 4: Simplify right side
    11,283.05x = 79,689,851.89
  5. Step 5: Solve for x
    x = 79,689,851.89/11,283.05
  6. Step 6: Final answer
    x = 7,062.79

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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.