Home / 18,710.43-25,819.59-10,212.34

Finding the Fourth Proportional to 18,710.43, 25,819.59 and 10,212.34

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Solution

The fourth proportional to 18,710.43, 25,819.59 and 10,212.34 is: 14,092.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,710.43 : 25,819.59 = 10,212.34 : x
  2. Step 2: Convert to fraction form
    18,710.43/25,819.59 = 10,212.34/x
  3. Step 3: Cross multiply
    18,710.43x = 25,819.59 × 10,212.34
  4. Step 4: Simplify right side
    18,710.43x = 263,678,431.74
  5. Step 5: Solve for x
    x = 263,678,431.74/18,710.43
  6. Step 6: Final answer
    x = 14,092.59

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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.