Home / 15,825.46-23,711.82-11,137.09

Finding the Fourth Proportional to 15,825.46, 23,711.82 and 11,137.09

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Solution

The fourth proportional to 15,825.46, 23,711.82 and 11,137.09 is: 16,687.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,825.46 : 23,711.82 = 11,137.09 : x
  2. Step 2: Convert to fraction form
    15,825.46/23,711.82 = 11,137.09/x
  3. Step 3: Cross multiply
    15,825.46x = 23,711.82 × 11,137.09
  4. Step 4: Simplify right side
    15,825.46x = 264,080,673.40
  5. Step 5: Solve for x
    x = 264,080,673.40/15,825.46
  6. Step 6: Final answer
    x = 16,687.08

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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.