Home / 12,865.48-19,297.66-4,545.56

Finding the Fourth Proportional to 12,865.48, 19,297.66 and 4,545.56

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Solution

The fourth proportional to 12,865.48, 19,297.66 and 4,545.56 is: 6,818.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,865.48 : 19,297.66 = 4,545.56 : x
  2. Step 2: Convert to fraction form
    12,865.48/19,297.66 = 4,545.56/x
  3. Step 3: Cross multiply
    12,865.48x = 19,297.66 × 4,545.56
  4. Step 4: Simplify right side
    12,865.48x = 87,718,671.39
  5. Step 5: Solve for x
    x = 87,718,671.39/12,865.48
  6. Step 6: Final answer
    x = 6,818.14

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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.