Home / 12,256.94-18,387.45-4,861.44

Finding the Fourth Proportional to 12,256.94, 18,387.45 and 4,861.44

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Solution

The fourth proportional to 12,256.94, 18,387.45 and 4,861.44 is: 7,292.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256.94 : 18,387.45 = 4,861.44 : x
  2. Step 2: Convert to fraction form
    12,256.94/18,387.45 = 4,861.44/x
  3. Step 3: Cross multiply
    12,256.94x = 18,387.45 × 4,861.44
  4. Step 4: Simplify right side
    12,256.94x = 89,389,484.93
  5. Step 5: Solve for x
    x = 89,389,484.93/12,256.94
  6. Step 6: Final answer
    x = 7,292.97

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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.