Home / 12,228.94-18,348.27-5,658.22

Finding the Fourth Proportional to 12,228.94, 18,348.27 and 5,658.22

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Solution

The fourth proportional to 12,228.94, 18,348.27 and 5,658.22 is: 8,489.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228.94 : 18,348.27 = 5,658.22 : x
  2. Step 2: Convert to fraction form
    12,228.94/18,348.27 = 5,658.22/x
  3. Step 3: Cross multiply
    12,228.94x = 18,348.27 × 5,658.22
  4. Step 4: Simplify right side
    12,228.94x = 103,818,548.28
  5. Step 5: Solve for x
    x = 103,818,548.28/12,228.94
  6. Step 6: Final answer
    x = 8,489.58

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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.