Home / 30,383.02-45,574.39-8,198.65

Finding the Fourth Proportional to 30,383.02, 45,574.39 and 8,198.65

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Solution

The fourth proportional to 30,383.02, 45,574.39 and 8,198.65 is: 12,297.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,383.02 : 45,574.39 = 8,198.65 : x
  2. Step 2: Convert to fraction form
    30,383.02/45,574.39 = 8,198.65/x
  3. Step 3: Cross multiply
    30,383.02x = 45,574.39 × 8,198.65
  4. Step 4: Simplify right side
    30,383.02x = 373,648,472.57
  5. Step 5: Solve for x
    x = 373,648,472.57/30,383.02
  6. Step 6: Final answer
    x = 12,297.94

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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.