Home / 16,819.30-25,110.68-12,849.76

Finding the Fourth Proportional to 16,819.30, 25,110.68 and 12,849.76

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Solution

The fourth proportional to 16,819.30, 25,110.68 and 12,849.76 is: 19,184.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,819.30 : 25,110.68 = 12,849.76 : x
  2. Step 2: Convert to fraction form
    16,819.30/25,110.68 = 12,849.76/x
  3. Step 3: Cross multiply
    16,819.30x = 25,110.68 × 12,849.76
  4. Step 4: Simplify right side
    16,819.30x = 322,666,211.44
  5. Step 5: Solve for x
    x = 322,666,211.44/16,819.30
  6. Step 6: Final answer
    x = 19,184.28

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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.