Home / 16,858.82-23,276.13-15,087.38

Finding the Fourth Proportional to 16,858.82, 23,276.13 and 15,087.38

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Solution

The fourth proportional to 16,858.82, 23,276.13 and 15,087.38 is: 20,830.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858.82 : 23,276.13 = 15,087.38 : x
  2. Step 2: Convert to fraction form
    16,858.82/23,276.13 = 15,087.38/x
  3. Step 3: Cross multiply
    16,858.82x = 23,276.13 × 15,087.38
  4. Step 4: Simplify right side
    16,858.82x = 351,175,818.24
  5. Step 5: Solve for x
    x = 351,175,818.24/16,858.82
  6. Step 6: Final answer
    x = 20,830.39

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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.