Home / 12,310.08-18,466.94-4,518.28

Finding the Fourth Proportional to 12,310.08, 18,466.94 and 4,518.28

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Solution

The fourth proportional to 12,310.08, 18,466.94 and 4,518.28 is: 6,778.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310.08 : 18,466.94 = 4,518.28 : x
  2. Step 2: Convert to fraction form
    12,310.08/18,466.94 = 4,518.28/x
  3. Step 3: Cross multiply
    12,310.08x = 18,466.94 × 4,518.28
  4. Step 4: Simplify right side
    12,310.08x = 83,438,814.63
  5. Step 5: Solve for x
    x = 83,438,814.63/12,310.08
  6. Step 6: Final answer
    x = 6,778.09

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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.