Home / 17,895.60-24,684.89-11,520.09

Finding the Fourth Proportional to 17,895.60, 24,684.89 and 11,520.09

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Solution

The fourth proportional to 17,895.60, 24,684.89 and 11,520.09 is: 15,890.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,895.60 : 24,684.89 = 11,520.09 : x
  2. Step 2: Convert to fraction form
    17,895.60/24,684.89 = 11,520.09/x
  3. Step 3: Cross multiply
    17,895.60x = 24,684.89 × 11,520.09
  4. Step 4: Simplify right side
    17,895.60x = 284,372,096.84
  5. Step 5: Solve for x
    x = 284,372,096.84/17,895.60
  6. Step 6: Final answer
    x = 15,890.62

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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.