Home / 12,776.77-19,165.22-4,456.85

Finding the Fourth Proportional to 12,776.77, 19,165.22 and 4,456.85

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Solution

The fourth proportional to 12,776.77, 19,165.22 and 4,456.85 is: 6,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776.77 : 19,165.22 = 4,456.85 : x
  2. Step 2: Convert to fraction form
    12,776.77/19,165.22 = 4,456.85/x
  3. Step 3: Cross multiply
    12,776.77x = 19,165.22 × 4,456.85
  4. Step 4: Simplify right side
    12,776.77x = 85,416,488.47
  5. Step 5: Solve for x
    x = 85,416,488.47/12,776.77
  6. Step 6: Final answer
    x = 6,685.30

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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.