Home / 17,812.38-26,739.27-10,422.14

Finding the Fourth Proportional to 17,812.38, 26,739.27 and 10,422.14

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Solution

The fourth proportional to 17,812.38, 26,739.27 and 10,422.14 is: 15,645.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,812.38 : 26,739.27 = 10,422.14 : x
  2. Step 2: Convert to fraction form
    17,812.38/26,739.27 = 10,422.14/x
  3. Step 3: Cross multiply
    17,812.38x = 26,739.27 × 10,422.14
  4. Step 4: Simplify right side
    17,812.38x = 278,680,415.44
  5. Step 5: Solve for x
    x = 278,680,415.44/17,812.38
  6. Step 6: Final answer
    x = 15,645.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.