Home / 14,631.38-20,184.87-8,578.52

Finding the Fourth Proportional to 14,631.38, 20,184.87 and 8,578.52

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Solution

The fourth proportional to 14,631.38, 20,184.87 and 8,578.52 is: 11,834.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631.38 : 20,184.87 = 8,578.52 : x
  2. Step 2: Convert to fraction form
    14,631.38/20,184.87 = 8,578.52/x
  3. Step 3: Cross multiply
    14,631.38x = 20,184.87 × 8,578.52
  4. Step 4: Simplify right side
    14,631.38x = 173,156,361.45
  5. Step 5: Solve for x
    x = 173,156,361.45/14,631.38
  6. Step 6: Final answer
    x = 11,834.59

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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.