Home / 12,776.70-19,160.26-4,454.58

Finding the Fourth Proportional to 12,776.70, 19,160.26 and 4,454.58

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Solution

The fourth proportional to 12,776.70, 19,160.26 and 4,454.58 is: 6,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776.70 : 19,160.26 = 4,454.58 : x
  2. Step 2: Convert to fraction form
    12,776.70/19,160.26 = 4,454.58/x
  3. Step 3: Cross multiply
    12,776.70x = 19,160.26 × 4,454.58
  4. Step 4: Simplify right side
    12,776.70x = 85,350,910.99
  5. Step 5: Solve for x
    x = 85,350,910.99/12,776.70
  6. Step 6: Final answer
    x = 6,680.20

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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.