Home / 10,877.28-16,315.98-3,951.60

Finding the Fourth Proportional to 10,877.28, 16,315.98 and 3,951.60

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Solution

The fourth proportional to 10,877.28, 16,315.98 and 3,951.60 is: 5,927.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.28 : 16,315.98 = 3,951.60 : x
  2. Step 2: Convert to fraction form
    10,877.28/16,315.98 = 3,951.60/x
  3. Step 3: Cross multiply
    10,877.28x = 16,315.98 × 3,951.60
  4. Step 4: Simplify right side
    10,877.28x = 64,474,226.57
  5. Step 5: Solve for x
    x = 64,474,226.57/10,877.28
  6. Step 6: Final answer
    x = 5,927.42

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1.5x scale

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.