Home / 10,916.80-16,373.40-4,342.54

Finding the Fourth Proportional to 10,916.80, 16,373.40 and 4,342.54

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Solution

The fourth proportional to 10,916.80, 16,373.40 and 4,342.54 is: 6,513.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916.80 : 16,373.40 = 4,342.54 : x
  2. Step 2: Convert to fraction form
    10,916.80/16,373.40 = 4,342.54/x
  3. Step 3: Cross multiply
    10,916.80x = 16,373.40 × 4,342.54
  4. Step 4: Simplify right side
    10,916.80x = 71,102,144.44
  5. Step 5: Solve for x
    x = 71,102,144.44/10,916.80
  6. Step 6: Final answer
    x = 6,513.09

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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.