Home / 10,519.92-14,515.47-6,328.44

Finding the Fourth Proportional to 10,519.92, 14,515.47 and 6,328.44

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Solution

The fourth proportional to 10,519.92, 14,515.47 and 6,328.44 is: 8,732.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519.92 : 14,515.47 = 6,328.44 : x
  2. Step 2: Convert to fraction form
    10,519.92/14,515.47 = 6,328.44/x
  3. Step 3: Cross multiply
    10,519.92x = 14,515.47 × 6,328.44
  4. Step 4: Simplify right side
    10,519.92x = 91,860,280.97
  5. Step 5: Solve for x
    x = 91,860,280.97/10,519.92
  6. Step 6: Final answer
    x = 8,732.03

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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.