Home / 12,863.52-19,297.84-4,545.76

Finding the Fourth Proportional to 12,863.52, 19,297.84 and 4,545.76

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Solution

The fourth proportional to 12,863.52, 19,297.84 and 4,545.76 is: 6,819.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,863.52 : 19,297.84 = 4,545.76 : x
  2. Step 2: Convert to fraction form
    12,863.52/19,297.84 = 4,545.76/x
  3. Step 3: Cross multiply
    12,863.52x = 19,297.84 × 4,545.76
  4. Step 4: Simplify right side
    12,863.52x = 87,723,349.16
  5. Step 5: Solve for x
    x = 87,723,349.16/12,863.52
  6. Step 6: Final answer
    x = 6,819.54

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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.