Home / 11,537.89-17,320.55-9,711.73

Finding the Fourth Proportional to 11,537.89, 17,320.55 and 9,711.73

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Solution

The fourth proportional to 11,537.89, 17,320.55 and 9,711.73 is: 14,579.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,537.89 : 17,320.55 = 9,711.73 : x
  2. Step 2: Convert to fraction form
    11,537.89/17,320.55 = 9,711.73/x
  3. Step 3: Cross multiply
    11,537.89x = 17,320.55 × 9,711.73
  4. Step 4: Simplify right side
    11,537.89x = 168,212,505.05
  5. Step 5: Solve for x
    x = 168,212,505.05/11,537.89
  6. Step 6: Final answer
    x = 14,579.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.