Home / 12,037.86-18,056.79-4,247.28

Finding the Fourth Proportional to 12,037.86, 18,056.79 and 4,247.28

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Solution

The fourth proportional to 12,037.86, 18,056.79 and 4,247.28 is: 6,370.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,037.86 : 18,056.79 = 4,247.28 : x
  2. Step 2: Convert to fraction form
    12,037.86/18,056.79 = 4,247.28/x
  3. Step 3: Cross multiply
    12,037.86x = 18,056.79 × 4,247.28
  4. Step 4: Simplify right side
    12,037.86x = 76,692,243.03
  5. Step 5: Solve for x
    x = 76,692,243.03/12,037.86
  6. Step 6: Final answer
    x = 6,370.92

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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.