Home / 12,627.84-18,941.76-3,866.16

Finding the Fourth Proportional to 12,627.84, 18,941.76 and 3,866.16

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Solution

The fourth proportional to 12,627.84, 18,941.76 and 3,866.16 is: 5,799.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627.84 : 18,941.76 = 3,866.16 : x
  2. Step 2: Convert to fraction form
    12,627.84/18,941.76 = 3,866.16/x
  3. Step 3: Cross multiply
    12,627.84x = 18,941.76 × 3,866.16
  4. Step 4: Simplify right side
    12,627.84x = 73,231,874.84
  5. Step 5: Solve for x
    x = 73,231,874.84/12,627.84
  6. Step 6: Final answer
    x = 5,799.24

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Similar ratio
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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.