Home / 12,223.02-16,859.06-11,217.96

Finding the Fourth Proportional to 12,223.02, 16,859.06 and 11,217.96

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Solution

The fourth proportional to 12,223.02, 16,859.06 and 11,217.96 is: 15,472.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223.02 : 16,859.06 = 11,217.96 : x
  2. Step 2: Convert to fraction form
    12,223.02/16,859.06 = 11,217.96/x
  3. Step 3: Cross multiply
    12,223.02x = 16,859.06 × 11,217.96
  4. Step 4: Simplify right side
    12,223.02x = 189,124,260.72
  5. Step 5: Solve for x
    x = 189,124,260.72/12,223.02
  6. Step 6: Final answer
    x = 15,472.79

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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.