Home / 16,954.56-23,396.76-9,881.28

Finding the Fourth Proportional to 16,954.56, 23,396.76 and 9,881.28

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Solution

The fourth proportional to 16,954.56, 23,396.76 and 9,881.28 is: 13,635.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,954.56 : 23,396.76 = 9,881.28 : x
  2. Step 2: Convert to fraction form
    16,954.56/23,396.76 = 9,881.28/x
  3. Step 3: Cross multiply
    16,954.56x = 23,396.76 × 9,881.28
  4. Step 4: Simplify right side
    16,954.56x = 231,189,936.65
  5. Step 5: Solve for x
    x = 231,189,936.65/16,954.56
  6. Step 6: Final answer
    x = 13,635.86

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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.