Home / 11,825.55-17,710.38-9,942.30

Finding the Fourth Proportional to 11,825.55, 17,710.38 and 9,942.30

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Solution

The fourth proportional to 11,825.55, 17,710.38 and 9,942.30 is: 14,889.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.55 : 17,710.38 = 9,942.30 : x
  2. Step 2: Convert to fraction form
    11,825.55/17,710.38 = 9,942.30/x
  3. Step 3: Cross multiply
    11,825.55x = 17,710.38 × 9,942.30
  4. Step 4: Simplify right side
    11,825.55x = 176,081,911.07
  5. Step 5: Solve for x
    x = 176,081,911.07/11,825.55
  6. Step 6: Final answer
    x = 14,889.96

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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.