Home / 12,228.03-18,342.95-3,463.61

Finding the Fourth Proportional to 12,228.03, 18,342.95 and 3,463.61

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Solution

The fourth proportional to 12,228.03, 18,342.95 and 3,463.61 is: 5,195.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228.03 : 18,342.95 = 3,463.61 : x
  2. Step 2: Convert to fraction form
    12,228.03/18,342.95 = 3,463.61/x
  3. Step 3: Cross multiply
    12,228.03x = 18,342.95 × 3,463.61
  4. Step 4: Simplify right side
    12,228.03x = 63,532,716.02
  5. Step 5: Solve for x
    x = 63,532,716.02/12,228.03
  6. Step 6: Final answer
    x = 5,195.66

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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.