Home / 14,580.41-20,121.99-8,207.62

Finding the Fourth Proportional to 14,580.41, 20,121.99 and 8,207.62

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Solution

The fourth proportional to 14,580.41, 20,121.99 and 8,207.62 is: 11,327.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,580.41 : 20,121.99 = 8,207.62 : x
  2. Step 2: Convert to fraction form
    14,580.41/20,121.99 = 8,207.62/x
  3. Step 3: Cross multiply
    14,580.41x = 20,121.99 × 8,207.62
  4. Step 4: Simplify right side
    14,580.41x = 165,153,647.56
  5. Step 5: Solve for x
    x = 165,153,647.56/14,580.41
  6. Step 6: Final answer
    x = 11,327.09

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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.