Home / 10,932.98-16,390.58-4,352.80

Finding the Fourth Proportional to 10,932.98, 16,390.58 and 4,352.80

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Solution

The fourth proportional to 10,932.98, 16,390.58 and 4,352.80 is: 6,525.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932.98 : 16,390.58 = 4,352.80 : x
  2. Step 2: Convert to fraction form
    10,932.98/16,390.58 = 4,352.80/x
  3. Step 3: Cross multiply
    10,932.98x = 16,390.58 × 4,352.80
  4. Step 4: Simplify right side
    10,932.98x = 71,344,916.62
  5. Step 5: Solve for x
    x = 71,344,916.62/10,932.98
  6. Step 6: Final answer
    x = 6,525.66

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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.