Home / 14,892.43-20,551.98-8,431.57

Finding the Fourth Proportional to 14,892.43, 20,551.98 and 8,431.57

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Solution

The fourth proportional to 14,892.43, 20,551.98 and 8,431.57 is: 11,635.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,892.43 : 20,551.98 = 8,431.57 : x
  2. Step 2: Convert to fraction form
    14,892.43/20,551.98 = 8,431.57/x
  3. Step 3: Cross multiply
    14,892.43x = 20,551.98 × 8,431.57
  4. Step 4: Simplify right side
    14,892.43x = 173,285,458.01
  5. Step 5: Solve for x
    x = 173,285,458.01/14,892.43
  6. Step 6: Final answer
    x = 11,635.81

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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.