Home / 18,922.73-28,385.64-7,827.35

Finding the Fourth Proportional to 18,922.73, 28,385.64 and 7,827.35

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Solution

The fourth proportional to 18,922.73, 28,385.64 and 7,827.35 is: 11,741.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,922.73 : 28,385.64 = 7,827.35 : x
  2. Step 2: Convert to fraction form
    18,922.73/28,385.64 = 7,827.35/x
  3. Step 3: Cross multiply
    18,922.73x = 28,385.64 × 7,827.35
  4. Step 4: Simplify right side
    18,922.73x = 222,184,197.33
  5. Step 5: Solve for x
    x = 222,184,197.33/18,922.73
  6. Step 6: Final answer
    x = 11,741.66

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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.