Home / 17,819.36-26,749.73-10,429.12

Finding the Fourth Proportional to 17,819.36, 26,749.73 and 10,429.12

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Solution

The fourth proportional to 17,819.36, 26,749.73 and 10,429.12 is: 15,655.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,819.36 : 26,749.73 = 10,429.12 : x
  2. Step 2: Convert to fraction form
    17,819.36/26,749.73 = 10,429.12/x
  3. Step 3: Cross multiply
    17,819.36x = 26,749.73 × 10,429.12
  4. Step 4: Simplify right side
    17,819.36x = 278,976,144.14
  5. Step 5: Solve for x
    x = 278,976,144.14/17,819.36
  6. Step 6: Final answer
    x = 15,655.79

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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.