Home / 17,281.53-23,850.78-9,729.33

Finding the Fourth Proportional to 17,281.53, 23,850.78 and 9,729.33

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Solution

The fourth proportional to 17,281.53, 23,850.78 and 9,729.33 is: 13,427.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,281.53 : 23,850.78 = 9,729.33 : x
  2. Step 2: Convert to fraction form
    17,281.53/23,850.78 = 9,729.33/x
  3. Step 3: Cross multiply
    17,281.53x = 23,850.78 × 9,729.33
  4. Step 4: Simplify right side
    17,281.53x = 232,052,109.38
  5. Step 5: Solve for x
    x = 232,052,109.38/17,281.53
  6. Step 6: Final answer
    x = 13,427.75

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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.