Home / 22,684.37-31,302.66-12,612.20

Finding the Fourth Proportional to 22,684.37, 31,302.66 and 12,612.20

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Solution

The fourth proportional to 22,684.37, 31,302.66 and 12,612.20 is: 17,403.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,684.37 : 31,302.66 = 12,612.20 : x
  2. Step 2: Convert to fraction form
    22,684.37/31,302.66 = 12,612.20/x
  3. Step 3: Cross multiply
    22,684.37x = 31,302.66 × 12,612.20
  4. Step 4: Simplify right side
    22,684.37x = 394,795,408.45
  5. Step 5: Solve for x
    x = 394,795,408.45/22,684.37
  6. Step 6: Final answer
    x = 17,403.85

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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.