Home / 14,133.15-21,166.92-12,383.55

Finding the Fourth Proportional to 14,133.15, 21,166.92 and 12,383.55

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Solution

The fourth proportional to 14,133.15, 21,166.92 and 12,383.55 is: 18,546.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133.15 : 21,166.92 = 12,383.55 : x
  2. Step 2: Convert to fraction form
    14,133.15/21,166.92 = 12,383.55/x
  3. Step 3: Cross multiply
    14,133.15x = 21,166.92 × 12,383.55
  4. Step 4: Simplify right side
    14,133.15x = 262,121,612.17
  5. Step 5: Solve for x
    x = 262,121,612.17/14,133.15
  6. Step 6: Final answer
    x = 18,546.58

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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.