Home / 16,865.46-23,270.72-9,788.09

Finding the Fourth Proportional to 16,865.46, 23,270.72 and 9,788.09

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Solution

The fourth proportional to 16,865.46, 23,270.72 and 9,788.09 is: 13,505.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,865.46 : 23,270.72 = 9,788.09 : x
  2. Step 2: Convert to fraction form
    16,865.46/23,270.72 = 9,788.09/x
  3. Step 3: Cross multiply
    16,865.46x = 23,270.72 × 9,788.09
  4. Step 4: Simplify right side
    16,865.46x = 227,775,736.43
  5. Step 5: Solve for x
    x = 227,775,736.43/16,865.46
  6. Step 6: Final answer
    x = 13,505.46

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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.