Home / 11,519.28-15,895.39-6,483.41

Finding the Fourth Proportional to 11,519.28, 15,895.39 and 6,483.41

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Solution

The fourth proportional to 11,519.28, 15,895.39 and 6,483.41 is: 8,946.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519.28 : 15,895.39 = 6,483.41 : x
  2. Step 2: Convert to fraction form
    11,519.28/15,895.39 = 6,483.41/x
  3. Step 3: Cross multiply
    11,519.28x = 15,895.39 × 6,483.41
  4. Step 4: Simplify right side
    11,519.28x = 103,056,306.56
  5. Step 5: Solve for x
    x = 103,056,306.56/11,519.28
  6. Step 6: Final answer
    x = 8,946.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.