Home / 12,228.48-16,859.52-8,876.16

Finding the Fourth Proportional to 12,228.48, 16,859.52 and 8,876.16

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Solution

The fourth proportional to 12,228.48, 16,859.52 and 8,876.16 is: 12,237.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228.48 : 16,859.52 = 8,876.16 : x
  2. Step 2: Convert to fraction form
    12,228.48/16,859.52 = 8,876.16/x
  3. Step 3: Cross multiply
    12,228.48x = 16,859.52 × 8,876.16
  4. Step 4: Simplify right side
    12,228.48x = 149,647,797.04
  5. Step 5: Solve for x
    x = 149,647,797.04/12,228.48
  6. Step 6: Final answer
    x = 12,237.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.