Home / 10,954.69-16,432.02-4,382.42

Finding the Fourth Proportional to 10,954.69, 16,432.02 and 4,382.42

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Solution

The fourth proportional to 10,954.69, 16,432.02 and 4,382.42 is: 6,573.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.69 : 16,432.02 = 4,382.42 : x
  2. Step 2: Convert to fraction form
    10,954.69/16,432.02 = 4,382.42/x
  3. Step 3: Cross multiply
    10,954.69x = 16,432.02 × 4,382.42
  4. Step 4: Simplify right side
    10,954.69x = 72,011,930.93
  5. Step 5: Solve for x
    x = 72,011,930.93/10,954.69
  6. Step 6: Final answer
    x = 6,573.62

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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.