Home / 17,949.75-24,791.40-11,971.05

Finding the Fourth Proportional to 17,949.75, 24,791.40 and 11,971.05

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Solution

The fourth proportional to 17,949.75, 24,791.40 and 11,971.05 is: 16,533.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,949.75 : 24,791.40 = 11,971.05 : x
  2. Step 2: Convert to fraction form
    17,949.75/24,791.40 = 11,971.05/x
  3. Step 3: Cross multiply
    17,949.75x = 24,791.40 × 11,971.05
  4. Step 4: Simplify right side
    17,949.75x = 296,779,088.97
  5. Step 5: Solve for x
    x = 296,779,088.97/17,949.75
  6. Step 6: Final answer
    x = 16,533.88

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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.