Home / 22,630.96-31,230.93-13,684.44

Finding the Fourth Proportional to 22,630.96, 31,230.93 and 13,684.44

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Solution

The fourth proportional to 22,630.96, 31,230.93 and 13,684.44 is: 18,884.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,630.96 : 31,230.93 = 13,684.44 : x
  2. Step 2: Convert to fraction form
    22,630.96/31,230.93 = 13,684.44/x
  3. Step 3: Cross multiply
    22,630.96x = 31,230.93 × 13,684.44
  4. Step 4: Simplify right side
    22,630.96x = 427,377,956.16
  5. Step 5: Solve for x
    x = 427,377,956.16/22,630.96
  6. Step 6: Final answer
    x = 18,884.66

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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.