Home / 13,819.38-20,595.06-13,376.58

Finding the Fourth Proportional to 13,819.38, 20,595.06 and 13,376.58

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Solution

The fourth proportional to 13,819.38, 20,595.06 and 13,376.58 is: 19,935.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819.38 : 20,595.06 = 13,376.58 : x
  2. Step 2: Convert to fraction form
    13,819.38/20,595.06 = 13,376.58/x
  3. Step 3: Cross multiply
    13,819.38x = 20,595.06 × 13,376.58
  4. Step 4: Simplify right side
    13,819.38x = 275,491,467.69
  5. Step 5: Solve for x
    x = 275,491,467.69/13,819.38
  6. Step 6: Final answer
    x = 19,935.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.