Home / 12,076.08-18,114.12-3,312.28

Finding the Fourth Proportional to 12,076.08, 18,114.12 and 3,312.28

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Solution

The fourth proportional to 12,076.08, 18,114.12 and 3,312.28 is: 4,968.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076.08 : 18,114.12 = 3,312.28 : x
  2. Step 2: Convert to fraction form
    12,076.08/18,114.12 = 3,312.28/x
  3. Step 3: Cross multiply
    12,076.08x = 18,114.12 × 3,312.28
  4. Step 4: Simplify right side
    12,076.08x = 59,999,037.39
  5. Step 5: Solve for x
    x = 59,999,037.39/12,076.08
  6. Step 6: Final answer
    x = 4,968.42

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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.