Home / 17,376.85-23,979.97-9,419.05

Finding the Fourth Proportional to 17,376.85, 23,979.97 and 9,419.05

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Solution

The fourth proportional to 17,376.85, 23,979.97 and 9,419.05 is: 12,998.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,376.85 : 23,979.97 = 9,419.05 : x
  2. Step 2: Convert to fraction form
    17,376.85/23,979.97 = 9,419.05/x
  3. Step 3: Cross multiply
    17,376.85x = 23,979.97 × 9,419.05
  4. Step 4: Simplify right side
    17,376.85x = 225,868,536.43
  5. Step 5: Solve for x
    x = 225,868,536.43/17,376.85
  6. Step 6: Final answer
    x = 12,998.24

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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.