Home / 14,606.38-20,153.97-8,942.42

Finding the Fourth Proportional to 14,606.38, 20,153.97 and 8,942.42

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Solution

The fourth proportional to 14,606.38, 20,153.97 and 8,942.42 is: 12,338.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,606.38 : 20,153.97 = 8,942.42 : x
  2. Step 2: Convert to fraction form
    14,606.38/20,153.97 = 8,942.42/x
  3. Step 3: Cross multiply
    14,606.38x = 20,153.97 × 8,942.42
  4. Step 4: Simplify right side
    14,606.38x = 180,225,264.41
  5. Step 5: Solve for x
    x = 180,225,264.41/14,606.38
  6. Step 6: Final answer
    x = 12,338.80

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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.