Home / 14,934.53-20,609.07-8,219.78

Finding the Fourth Proportional to 14,934.53, 20,609.07 and 8,219.78

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Solution

The fourth proportional to 14,934.53, 20,609.07 and 8,219.78 is: 11,342.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,934.53 : 20,609.07 = 8,219.78 : x
  2. Step 2: Convert to fraction form
    14,934.53/20,609.07 = 8,219.78/x
  3. Step 3: Cross multiply
    14,934.53x = 20,609.07 × 8,219.78
  4. Step 4: Simplify right side
    14,934.53x = 169,401,918.36
  5. Step 5: Solve for x
    x = 169,401,918.36/14,934.53
  6. Step 6: Final answer
    x = 11,342.97

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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.